Bump org.jetbrains.kotlin:kotlin-gradle-plugin from 2.1.21 to 2.2.21

Bumps [org.jetbrains.kotlin:kotlin-gradle-plugin](https://github.com/JetBrains/kotlin) from 2.1.21 to 2.2.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.2.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.21...v2.2.21)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-gradle-plugin
  dependency-version: 2.2.21
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

buildSrc/build.gradle.kts

@@ -26,7 +26,7 @@ dependencies {
     implementation("org.gradlex:extra-java-module-info:1.4.1")
     implementation("io.github.gradle-nexus:publish-plugin:1.3.0")
     implementation("net.researchgate:gradle-release:3.0.2")
-    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:2.1.21")
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:2.2.21")
     implementation("me.champeau.jmh:jmh-gradle-plugin:0.7.2")
     implementation("se.bjurr.gitchangelog:git-changelog-gradle-plugin:2.1.0") {
         isTransitive = false