Support eslint-plugin-functional v8

Author: matejchalk

README.md

@@ -72,7 +72,7 @@ All peer dependencies used by `@code-pushup/eslint-config` are listed below, alo
 | :--------------------------------------------------------: | :--------------------------------------------------------------------------------------------------- | :--------------------: | :------: |
 |        ![eslint](./docs/icons/material/eslint.png)         | [eslint](https://www.npmjs.com/package/eslint)                                                       |        `^9.0.0`        |    ✅     |
 |        ![eslint](./docs/icons/material/eslint.png)         | [@eslint/js](https://www.npmjs.com/package/@eslint/js)                                               |        `^9.0.0`        |    ✅     |
-|         ![lambda](./docs/icons/icons8/lambda.png)          | [eslint-plugin-functional](https://www.npmjs.com/package/eslint-plugin-functional)                   |        `^7.0.0`        |    ✅     |
+|         ![lambda](./docs/icons/icons8/lambda.png)          | [eslint-plugin-functional](https://www.npmjs.com/package/eslint-plugin-functional)                   |  `^7.0.0 \|\| ^8.0.0`  |    ✅     |
 |         ![import](./docs/icons/icons8/import.png)          | [eslint-plugin-import](https://www.npmjs.com/package/eslint-plugin-import)                           |       `^2.31.0`        |    ✅     |
 |         ![import](./docs/icons/icons8/import.png)          | [eslint-import-resolver-typescript](https://www.npmjs.com/package/eslint-import-resolver-typescript) |        `^3.0.0`        |          |
 |        ![promise](./docs/icons/icons8/promise.png)         | [eslint-plugin-promise](https://www.npmjs.com/package/eslint-plugin-promise)                         |       `>=6.4.0`        |    ✅     |

docs/javascript.md

@@ -175,8 +175,8 @@ Refer to [setup instructions in README](../README.md#🏗️-setup).
 |             [![@typescript-eslint](./icons/material/typescript.png)](https://typescript-eslint.io/)              | [no-unused-expressions](https://typescript-eslint.io/rules/no-unused-expressions)<br />Disallow unused expressions                                                                                                                                                                                                                                       |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |         |           |
 |             [![@typescript-eslint](./icons/material/typescript.png)](https://typescript-eslint.io/)              | [prefer-function-type](https://typescript-eslint.io/rules/prefer-function-type)<br />Enforce using function types instead of interfaces with call signatures                                                                                                                                                                                             |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |   🔧    |           |
 |             [![@typescript-eslint](./icons/material/typescript.png)](https://typescript-eslint.io/)              | [prefer-namespace-keyword](https://typescript-eslint.io/rules/prefer-namespace-keyword)<br />Require using `namespace` keyword over `module` keyword to declare custom TypeScript modules                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |   🔧    |           |
-| [![functional](./icons/icons8/lambda.png)](https://github.com/eslint-functional/eslint-plugin-functional#readme) | [no-let](https://github.com/eslint-functional/eslint-plugin-functional/blob/v7.0.0/docs/rules/no-let.md)<br />Disallow mutable variables.                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |         |   🧪🚫    |
-| [![functional](./icons/icons8/lambda.png)](https://github.com/eslint-functional/eslint-plugin-functional#readme) | [no-loop-statements](https://github.com/eslint-functional/eslint-plugin-functional/blob/v7.0.0/docs/rules/no-loop-statements.md)<br />Disallow imperative loops.                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |         |           |
+| [![functional](./icons/icons8/lambda.png)](https://github.com/eslint-functional/eslint-plugin-functional#readme) | [no-let](https://github.com/eslint-functional/eslint-plugin-functional/blob/v8.0.0/docs/rules/no-let.md)<br />Disallow mutable variables.                                                                                                                                                                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |         |   🧪🚫    |
+| [![functional](./icons/icons8/lambda.png)](https://github.com/eslint-functional/eslint-plugin-functional#readme) | [no-loop-statements](https://github.com/eslint-functional/eslint-plugin-functional/blob/v8.0.0/docs/rules/no-loop-statements.md)<br />Disallow imperative loops.                                                                                                                                                                                         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |         |           |
 |         [![import](./icons/icons8/import.png)](https://github.com/import-js/eslint-plugin-import#readme)         | [max-dependencies](https://github.com/import-js/eslint-plugin-import/blob/v2.31.0/docs/rules/max-dependencies.md)<br />Enforce the maximum number of dependencies a module can have.                                                                                                                                                                     | <details><summary>ignoreTypeImports: true</summary><pre lang="json"><code>{&#13;  "ignoreTypeImports": true&#13;}</code></pre></details>                                                                                                                                                                                                                                                                                                                                                                                                                                 |         |           |
 |         [![import](./icons/icons8/import.png)](https://github.com/import-js/eslint-plugin-import#readme)         | [no-anonymous-default-export](https://github.com/import-js/eslint-plugin-import/blob/v2.31.0/docs/rules/no-anonymous-default-export.md)<br />Forbid anonymous values as default exports.                                                                                                                                                                 |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |         |           |
 |         [![import](./icons/icons8/import.png)](https://github.com/import-js/eslint-plugin-import#readme)         | [no-duplicates](https://github.com/import-js/eslint-plugin-import/blob/v2.31.0/docs/rules/no-duplicates.md)<br />Forbid repeated import of the same module in multiple places.                                                                                                                                                                           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |   🔧    |           |