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/Attribute/MapDateTime.php

@@ -0,0 +1,29 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Attribute;
+
+use Symfony\Component\HttpKernel\Controller\ArgumentResolver\DateTimeValueResolver;
+
+/**
+ * Controller parameter tag to configure DateTime arguments.
+ */
+#[\Attribute(\Attribute::TARGET_PARAMETER)]
+class MapDateTime extends ValueResolver
+{
+    public function __construct(
+        public readonly ?string $format = null,
+        bool $disabled = false,
+        string $resolver = DateTimeValueResolver::class,
+    ) {
+        parent::__construct($resolver, $disabled);
+    }
+}