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/routing/Loader/Configurator/CollectionConfigurator.php

@@ -23,10 +23,10 @@ class CollectionConfigurator
     use Traits\HostTrait;
     use Traits\RouteTrait;
 
-    private $parent;
-    private $parentConfigurator;
-    private $parentPrefixes;
-    private $host;
+    private RouteCollection $parent;
+    private ?CollectionConfigurator $parentConfigurator;
+    private ?array $parentPrefixes;
+    private string|array|null $host = null;
 
     public function __construct(RouteCollection $parent, string $name, self $parentConfigurator = null, array $parentPrefixes = null)
     {
@@ -38,14 +38,14 @@ class CollectionConfigurator
         $this->parentPrefixes = $parentPrefixes;
     }
 
-    /**
-     * @return array
-     */
-    public function __sleep()
+    public function __sleep(): array
     {
         throw new \BadMethodCallException('Cannot serialize '.__CLASS__);
     }
 
+    /**
+     * @return void
+     */
     public function __wakeup()
     {
         throw new \BadMethodCallException('Cannot unserialize '.__CLASS__);
@@ -78,7 +78,7 @@ class CollectionConfigurator
      *
      * @return $this
      */
-    final public function prefix($prefix): self
+    final public function prefix(string|array $prefix): static
     {
         if (\is_array($prefix)) {
             if (null === $this->parentPrefixes) {
@@ -111,13 +111,16 @@ class CollectionConfigurator
      *
      * @return $this
      */
-    final public function host($host): self
+    final public function host(string|array $host): static
     {
         $this->host = $host;
 
         return $this;
     }
 
+    /**
+     * This method overrides the one from LocalizedRouteTrait.
+     */
     private function createRoute(string $path): Route
     {
         return (clone $this->route)->setPath($path);