N°6934 - Symfony 6.4 - upgrade Symfony bundles to 6.4 (#580)

* Update Symfony lib to version ~6.4.0
* Update code missing return type
* Add an iTop general configuration entry to store application secret (Symfony mandatory parameter)
* Use dependency injection in ExceptionListener & UserProvider classes

lib/symfony/http-kernel/ControllerMetadata/ArgumentMetadataFactoryInterface.php

@@ -19,9 +19,9 @@ namespace Symfony\Component\HttpKernel\ControllerMetadata;
 interface ArgumentMetadataFactoryInterface
 {
     /**
-     * @param string|object|array $controller The controller to resolve the arguments for
+     * @param \ReflectionFunctionAbstract|null $reflector
      *
      * @return ArgumentMetadata[]
      */
-    public function createArgumentMetadata($controller);
+    public function createArgumentMetadata(string|object|array $controller/* , \ReflectionFunctionAbstract $reflector = null */): array;
 }