Remove some configuration duplication by using 'tasks.withType()'

Setup common options of java and kotlin compiler tasks.

libraries/stdlib/jre8/build.gradle

@@ -32,9 +32,12 @@ artifacts {
     archives javadocJar
 }
 
-compileKotlin {
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile) {
     kotlinOptions.jdkHome = JDK_18
     kotlinOptions.jvmTarget = 1.8
+}
+
+compileKotlin {
     kotlinOptions.freeCompilerArgs = [
             "-Xallow-kotlin-package",
             "-Xmultifile-parts-inherit",
@@ -44,8 +47,6 @@ compileKotlin {
 }
 
 compileTestKotlin {
-    kotlinOptions.jdkHome = JDK_18
-    kotlinOptions.jvmTarget = 1.8
     kotlinOptions.freeCompilerArgs = ["-Xallow-kotlin-package"]
 }