[Gradle] Introduce compilerOptions on KotlinTarget

This will allow configuring compiler options for all compilations in the
target.

^KT-57292 In Progress

libraries/tools/kotlin-gradle-plugin-api/api/kotlin-gradle-plugin-api.api

@@ -1111,6 +1111,7 @@ public abstract interface class org/jetbrains/kotlin/gradle/plugin/KotlinTarget
 	public abstract fun getApiElementsConfigurationName ()Ljava/lang/String;
 	public abstract fun getArtifactsTaskName ()Ljava/lang/String;
 	public abstract fun getCompilations ()Lorg/gradle/api/NamedDomainObjectContainer;
+	public abstract fun getCompilerOptions ()Lorg/jetbrains/kotlin/gradle/dsl/KotlinCommonCompilerOptions;
 	public abstract fun getComponents ()Ljava/util/Set;
 	public abstract fun getDisambiguationClassifier ()Ljava/lang/String;
 	public abstract fun getName ()Ljava/lang/String;

libraries/tools/kotlin-gradle-plugin-api/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/KotlinTarget.kt

@@ -17,6 +17,8 @@ import org.gradle.api.publish.maven.MavenPublication
 import org.jetbrains.kotlin.gradle.PRESETS_API_IS_DEPRECATED_MESSAGE
 import org.jetbrains.kotlin.gradle.DeprecatedTargetPresetApi
 import org.jetbrains.kotlin.gradle.InternalKotlinGradlePluginApi
+import org.jetbrains.kotlin.gradle.ExperimentalKotlinGradlePluginApi
+import org.jetbrains.kotlin.gradle.dsl.KotlinCommonCompilerOptions
 import org.jetbrains.kotlin.gradle.dsl.KotlinCommonOptionsDeprecated
 import org.jetbrains.kotlin.tooling.core.HasMutableExtras
 
@@ -62,6 +64,9 @@ interface KotlinTarget : Named, HasAttributes, HasProject, HasMutableExtras {
     val preset: KotlinTargetPreset<out KotlinTarget>?
 
     override fun getName(): String = targetName
+
+    @ExperimentalKotlinGradlePluginApi
+    val compilerOptions: KotlinCommonCompilerOptions
 }
 
 interface KotlinTargetWithTests<E : KotlinExecution.ExecutionSource, T : KotlinTargetTestRun<E>> : KotlinTarget {