chore: bump version to v0.3.5

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

config/version.yaml

@@ -1,2 +1,2 @@
 parameters:
-    app.version: '0.3.4'
+    app.version: '0.3.5'

src/Repository/NotificationRepository.php

@@ -40,7 +40,7 @@ class NotificationRepository extends ServiceEntityRepository
             ->andWhere('n.isRead = false')
             ->setParameter('user', $user)
             ->getQuery()
-            ->executeStatement()
+            ->execute()
         ;
     }
 }