Prohibit JVM target 1.6

But still compile stdlib, reflect, kotlin.test and scripting runtimes
with JVM target 1.6 to simplify migration from Kotlin 1.6 to 1.7.

 #KT-45165 Fixed

libraries/tools/kotlin-annotations-jvm/build.gradle

@@ -16,6 +16,7 @@ sourceSets {
 
 dependencies {
     compileOnly DependenciesKt.kotlinBuiltins(project)
+    kotlinCompilerClasspath project(':libraries:tools:stdlib-compiler-classpath')
 }
 
 configureSourcesJar()