[TOOLS] Continue raising PHPStan level to 6

components/Group/Controller/GroupFeed.php

@@ -40,10 +40,15 @@ use Component\Subscription\Entity\ActorSubscription;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\HttpFoundation\Request;
 
+/**
+ * @extends FeedController<\App\Entity\Note>
+ */
 class GroupFeed extends FeedController
 {
     /**
      * @throws ServerException
+     *
+     * @return ControllerResultType
      */
     public function groupView(Request $request, Actor $group): array
     {
@@ -96,6 +101,8 @@ class GroupFeed extends FeedController
     /**
      * @throws ClientException
      * @throws ServerException
+     *
+     * @return ControllerResultType
      */
     public function groupViewId(Request $request, int $id): array
     {
@@ -119,6 +126,8 @@ class GroupFeed extends FeedController
      *
      * @throws ClientException
      * @throws ServerException
+     *
+     * @return ControllerResultType
      */
     public function groupViewNickname(Request $request, string $nickname): array
     {