Fix Symfony deprecation

Author: emodric

bundle/Security/Authorization/Voter/UserRegisterVoter.php

@@ -9,6 +9,7 @@
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Authorization\Voter\Vote;
 use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
 
 /**
@@ -21,7 +22,7 @@ public function __construct(
         private RequestStack $requestStack,
     ) {}
 
-    public function vote(TokenInterface $token, mixed $subject, array $attributes): int
+    public function vote(TokenInterface $token, mixed $subject, array $attributes, ?Vote $vote = null): int
     {
         foreach ($attributes as $attribute) {
             if (!$this->supportsAttribute($attribute)) {