Fix `buildSrc/build.gradle.kts` for IDE classpath query
Fix `buildSrc/build.gradle.kts` for IDE classpath query

The script shouldn't assume the `compile` configuration exists at
`buildscript` execution time because that's a side-effect of
`GroovyBuildSrcProjectConfigurationAction` which is not executed when
querying the classpath of the script.

blindpirate/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle-script-kotlin,gradle/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle-script-kotlin,robinverduijn/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle