build(deps): Bump org.jetbrains.intellij.platform

Bumps the dependencies group with 1 update: org.jetbrains.intellij.platform.


Updates `org.jetbrains.intellij.platform` from 2.7.2 to 2.9.0

---
updated-dependencies:
- dependency-name: org.jetbrains.intellij.platform
  dependency-version: 2.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

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

Author: dependabot[bot]

gradle/libs.versions.toml

@@ -7,7 +7,7 @@ opentest4j = "1.3.0"
 # plugins
 kotlin = "2.2.10"
 changelog = "2.4.0"
-intelliJPlatform = "2.7.2"
+intelliJPlatform = "2.9.0"
 qodana = "2025.2.1"
 kover = "0.9.1"