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/config/Definition/Configurator/DefinitionConfigurator.php

@@ -0,0 +1,47 @@
+<?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\Config\Definition\Configurator;
+
+use Symfony\Component\Config\Definition\Builder\ArrayNodeDefinition;
+use Symfony\Component\Config\Definition\Builder\NodeDefinition;
+use Symfony\Component\Config\Definition\Builder\TreeBuilder;
+use Symfony\Component\Config\Definition\Loader\DefinitionFileLoader;
+
+/**
+ * @author Yonel Ceruto <yonelceruto@gmail.com>
+ */
+class DefinitionConfigurator
+{
+    public function __construct(
+        private TreeBuilder $treeBuilder,
+        private DefinitionFileLoader $loader,
+        private string $path,
+        private string $file,
+    ) {
+    }
+
+    public function import(string $resource, string $type = null, bool $ignoreErrors = false): void
+    {
+        $this->loader->setCurrentDir(\dirname($this->path));
+        $this->loader->import($resource, $type, $ignoreErrors, $this->file);
+    }
+
+    public function rootNode(): NodeDefinition|ArrayNodeDefinition
+    {
+        return $this->treeBuilder->getRootNode();
+    }
+
+    public function setPathSeparator(string $separator): void
+    {
+        $this->treeBuilder->setPathSeparator($separator);
+    }
+}