N°8017 - Security - dependabot - Symfony's VarDumper vulnerable to un… (#731)

Upgrade all Symfony components to last security fix (~6.4.0)

lib/symfony/http-kernel/DataCollector/DataCollectorInterface.php

@@ -27,7 +27,7 @@ interface DataCollectorInterface extends ResetInterface
      *
      * @return void
      */
-    public function collect(Request $request, Response $response, \Throwable $exception = null);
+    public function collect(Request $request, Response $response, ?\Throwable $exception = null);
 
     /**
      * Returns the name of the collector.