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/twig-bridge/Extension/ExpressionExtension.php

@@ -22,13 +22,10 @@ use Twig\TwigFunction;
  */
 final class ExpressionExtension extends AbstractExtension
 {
-    /**
-     * {@inheritdoc}
-     */
     public function getFunctions(): array
     {
         return [
-            new TwigFunction('expression', [$this, 'createExpression']),
+            new TwigFunction('expression', $this->createExpression(...)),
         ];
     }