Update Kotlin to 2.2.0-RC (#4588)

Author: marcphilipp

documentation/src/docs/asciidoc/release-notes/release-notes-6.0.0-M1.adoc

@@ -21,7 +21,8 @@ repository on GitHub.
 [[release-notes-6.0.0-M1-overall-deprecations-and-breaking-changes]]
 ==== Deprecations and Breaking Changes
 
-* Minimum required Java version is now Java 17.
+* Minimum required Java version is now 17.
+* Minimum required Kotlin version is now 2.2.
 * Platform, Jupiter, and Vintage artifacts now use the same version number.
 
 [[release-notes-6.0.0-M1-overall-new-features-and-improvements]]

gradle/libs.versions.toml

@@ -105,7 +105,7 @@ gitPublish = { id = "org.ajoberstar.git-publish", version = "5.1.1" }
 jmh = { id = "me.champeau.jmh", version = "0.7.3" }
 jreleaser = { id = "org.jreleaser", version = "1.18.0" }
 # check if workaround in gradle.properties can be removed when updating
-kotlin = { id = "org.jetbrains.kotlin.jvm", version = "2.1.21" }
+kotlin = { id = "org.jetbrains.kotlin.jvm", version = "2.2.0-RC" }
 nullaway = { id = "net.ltgt.nullaway", version = "2.2.0" }
 openrewrite = { id = "org.openrewrite.rewrite", version = "7.6.2" }
 plantuml = { id = "io.freefair.plantuml", version = "8.13.1" }

platform-tooling-support-tests/projects/gradle-kotlin-extensions/build.gradle.kts

@@ -3,7 +3,7 @@ import org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
 import org.jetbrains.kotlin.gradle.dsl.KotlinVersion.KOTLIN_2_1
 
 plugins {
-	kotlin("jvm") version "2.1.21"
+	kotlin("jvm") version "2.2.0-RC"
 }
 
 repositories {

platform-tooling-support-tests/projects/kotlin-coroutines/build.gradle.kts

@@ -1,5 +1,5 @@
 plugins {
-	kotlin("jvm") version "2.1.21"
+	kotlin("jvm") version "2.2.0-RC"
 }
 
 val junitVersion: String by project