build(deps): bump kotest from 5.9.0 to 6.0.4

Bumps `kotest` from 5.9.0 to 6.0.4.

Updates `io.kotest:kotest-assertions-core-jvm` from 5.9.0 to 6.0.4
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.0...6.0.4)

Updates `io.kotest:kotest-property-jvm` from 5.9.0 to 6.0.4
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.0...6.0.4)

Updates `io.kotest:kotest-runner-junit4-jvm` from 5.9.0 to 6.0.4
- [Release notes](https://github.com/kotest/kotest/releases)
- [Commits](kotest/kotest@v5.9.0...6.0.4)

---
updated-dependencies:
- dependency-name: io.kotest:kotest-assertions-core-jvm
  dependency-version: 6.0.4
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: io.kotest:kotest-property-jvm
  dependency-version: 6.0.4
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: io.kotest:kotest-runner-junit4-jvm
  dependency-version: 6.0.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -42,7 +42,7 @@ jacksonCore = "2.13.1"
 jacksonDatabind = "2.18.2"
 javalite = "3.25.5"
 jsonassert = "1.5.0"
-kotest = "5.9.0" # Do not use 5.9.1 because it reverts the fix for https://github.com/kotest/kotest/issues/3981
+kotest = "6.0.4" # Do not use 5.9.1 because it reverts the fix for https://github.com/kotest/kotest/issues/3981
 kotestAssertionsCore = "5.8.1"
 kotlin = "2.0.21"
 ktorVersion = "3.0.3"