[Native] Fix code to make it compilable with K2

Check KT-54663 for details

kotlin-native/build-tools/src/main/kotlin/org/jetbrains/kotlin/konan/target/TargetDomainObjectContainer.kt

@@ -48,7 +48,7 @@ import org.gradle.kotlin.dsl.getByType
  */
 // TODO: Consider splitting out interface and the default implementation. Plugins will inherit from the interface via delegation to the implementation.
 // TODO: Consider implementing everything from `NamedDomainObjectContainer` but keyed on a target instead of a name.
-open class TargetDomainObjectContainer<T> constructor(
+open class TargetDomainObjectContainer<T : Any> constructor(
         private val providerFactory: ProviderFactory,
         private val platformManager: PlatformManager,
 ) {
@@ -143,4 +143,4 @@ open class TargetDomainObjectContainer<T> constructor(
      */
     val hostTarget: T
         get() = hostTarget()
-}
+}