Fix PHPStan

Author: dunglas

src/Bridge/Doctrine/EventListener/PublishMercureUpdatesListener.php

@@ -115,8 +115,6 @@ private function reset(): void
 
     /**
      * @param object $entity
-     *
-     * @return bool|string[]
      */
     private function storeEntityToPublish($entity, string $property): void
     {

tests/Bridge/Doctrine/EventListener/PublishMercureUpdatesListenerTest.php

@@ -49,7 +49,7 @@ public function testPublishUpdate()
         $toDelete = new Dummy();
         $toDelete->setId(3);
         $toDeleteExpressionLanguage = new DummyFriend();
-        $toDeleteExpressionLanguage->setId('4');
+        $toDeleteExpressionLanguage->setId(4);
 
         $resourceClassResolverProphecy = $this->prophesize(ResourceClassResolverInterface::class);
         $resourceClassResolverProphecy->isResourceClass(Dummy::class)->willReturn(true);