Disable KSP2 tasks with corresponding compilation

If the corresponding Kotlin native compilation is disabled, KSP should
be disabled as well.

This aligns with KSP1's behavior.

(cherry picked from commit bfa9de1)

gradle-plugin/src/main/kotlin/com/google/devtools/ksp/gradle/KspAATask.kt

@@ -43,6 +43,7 @@ import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinJvmAndroidCompilation
 import org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeCompilation
 import org.jetbrains.kotlin.gradle.tasks.AbstractKotlinCompileTool
 import org.jetbrains.kotlin.gradle.tasks.KotlinNativeCompile
+import org.jetbrains.kotlin.konan.target.HostManager
 import java.io.ByteArrayOutputStream
 import java.io.File
 import java.io.ObjectOutputStream
@@ -269,6 +270,11 @@ abstract class KspAATask @Inject constructor(
                         val konanTargetName = kotlinCompilation.target.konanTarget.name
                         cfg.konanTargetName.value(konanTargetName)
                         cfg.konanHome.value((kotlinCompileProvider.get() as KotlinNativeCompile).konanHome)
+                        kspAATask.onlyIf {
+                            HostManager().enabled.any {
+                                it.name == konanTargetName
+                            }
+                        }
                     }
 
                     // TODO: pass targets of common