c3ae37c6ce
* Fix Java not compiled in kotlin-gradle-plugin Kotlin source set * Fix the integration tests running under Java 6 * Fix kotlin-gradle-subplugin-example not being installed -- needed for a test * Fix Android tests being always excluded * Move versions out of `build.gradle` (x2) to a common `versions.gradle` * Move JDK, dist and bootstrap to `commonConfiguration.gradle` * Build `kotlin-gradle-plugin` with JDK_18