refactor(api) : passe UserPasswordHasherProcessor et MeProvider en final

T-012 — aligne ces deux classes sur la convention de la PR (tous les
autres providers/processors sont final). Empeche une sous-classe de
contourner la logique de hachage ou l'auth Me par heritage accidentel.

src/Module/Core/Infrastructure/ApiPlatform/State/Processor/UserPasswordHasherProcessor.php

@@ -13,7 +13,7 @@ use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
 /**
  * @implements ProcessorInterface<User, User>
  */
-class UserPasswordHasherProcessor implements ProcessorInterface
+final class UserPasswordHasherProcessor implements ProcessorInterface
 {
     public function __construct(
         #[Autowire(service: 'api_platform.doctrine.orm.state.persist_processor')]

src/Module/Core/Infrastructure/ApiPlatform/State/Provider/MeProvider.php

@@ -11,7 +11,7 @@ use Symfony\Bundle\SecurityBundle\Security;
 /**
  * @implements ProviderInterface<object>
  */
-class MeProvider implements ProviderInterface
+final class MeProvider implements ProviderInterface
 {
     public function __construct(
         private readonly Security $security,