Fix code style: add blank line before constructor in AttestationController

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/Controller/AttestationController.php

@@ -13,6 +13,7 @@ use Symfony\Component\Routing\Attribute\Route;
 class AttestationController extends AbstractController
 {
     private const TPL_NOT_FOUND_VENTES = 'attestation/not_found_ventes.html.twig';
+
     public function __construct(
         #[Autowire('%kernel.secret%')] private string $appSecret,
     ) {