Merge branch '6.4' into 7.2

* 6.4:
  Adds missing use statement

Author: OskarStark

routing.rst

@@ -948,6 +948,7 @@ optional ``priority`` parameter in those routes to control their priority:
         namespace App\Controller;
 
         use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+        use Symfony\Component\HttpFoundation\Response;
         use Symfony\Component\Routing\Attribute\Route;
 
         class BlogController extends AbstractController