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/console/Helper/SymfonyQuestionHelper.php

@@ -26,7 +26,7 @@ use Symfony\Component\Console\Style\SymfonyStyle;
 class SymfonyQuestionHelper extends QuestionHelper
 {
     /**
-     * {@inheritdoc}
+     * @return void
      */
     protected function writePrompt(OutputInterface $output, Question $question)
     {
@@ -84,7 +84,7 @@ class SymfonyQuestionHelper extends QuestionHelper
     }
 
     /**
-     * {@inheritdoc}
+     * @return void
      */
     protected function writeError(OutputInterface $output, \Exception $error)
     {