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/dependency-injection/Extension/Extension.php

@@ -26,10 +26,10 @@ use Symfony\Component\DependencyInjection\Exception\LogicException;
  */
 abstract class Extension implements ExtensionInterface, ConfigurationExtensionInterface
 {
-    private $processedConfigs = [];
+    private array $processedConfigs = [];
 
     /**
-     * {@inheritdoc}
+     * @return string|false
      */
     public function getXsdValidationBasePath()
     {
@@ -37,7 +37,7 @@ abstract class Extension implements ExtensionInterface, ConfigurationExtensionIn
     }
 
     /**
-     * {@inheritdoc}
+     * @return string
      */
     public function getNamespace()
     {
@@ -60,11 +60,9 @@ abstract class Extension implements ExtensionInterface, ConfigurationExtensionIn
      *
      * This can be overridden in a sub-class to specify the alias manually.
      *
-     * @return string
-     *
      * @throws BadMethodCallException When the extension name does not follow conventions
      */
-    public function getAlias()
+    public function getAlias(): string
     {
         $className = static::class;
         if (!str_ends_with($className, 'Extension')) {
@@ -76,7 +74,7 @@ abstract class Extension implements ExtensionInterface, ConfigurationExtensionIn
     }
 
     /**
-     * {@inheritdoc}
+     * @return ConfigurationInterface|null
      */
     public function getConfiguration(array $config, ContainerBuilder $container)
     {
@@ -124,11 +122,9 @@ abstract class Extension implements ExtensionInterface, ConfigurationExtensionIn
     }
 
     /**
-     * @return bool
-     *
      * @throws InvalidArgumentException When the config is not enableable
      */
-    protected function isConfigEnabled(ContainerBuilder $container, array $config)
+    protected function isConfigEnabled(ContainerBuilder $container, array $config): bool
     {
         if (!\array_key_exists('enabled', $config)) {
             throw new InvalidArgumentException("The config array has no 'enabled' key.");