Upgrade all Symfony components to last security fix (~6.4.0)
symfony/console symfony/dotenv symfony/framework-bundle symfony/http-foundation symfony/http-kernel symfony/var-dumper symfony/web-profiler-bundle
* 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