Correctif passage Symfony 5.4

Controller/ControllerTrait.php

@@ -17,7 +17,7 @@ use Lc\PietroBundle\Container\Workshop\WorkshopThematicContainer;
 
 trait ControllerTrait
 {
-    public static function getSubscribedServices()
+    public static function getSubscribedServices(): array
     {
         return array_merge(
                 parent::getSubscribedServices(),