Rename instance()->instantiate() when it's a verb

modules/gdscript/language_server/gdscript_workspace.cpp

@@ -426,7 +426,7 @@ Node *GDScriptWorkspace::_get_owner_scene_node(String p_path) {
 		RES owner_res = ResourceLoader::load(owner_path);
 		if (Object::cast_to<PackedScene>(owner_res.ptr())) {
 			Ref<PackedScene> owner_packed_scene = Ref<PackedScene>(Object::cast_to<PackedScene>(*owner_res));
-			owner_scene_node = owner_packed_scene->instance();
+			owner_scene_node = owner_packed_scene->instantiate();
 			break;
 		}
 	}