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/framework-bundle/Resources/config/mailer_webhook.php

@@ -0,0 +1,38 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\DependencyInjection\Loader\Configurator;
+
+use Symfony\Component\Mailer\Bridge\Mailgun\RemoteEvent\MailgunPayloadConverter;
+use Symfony\Component\Mailer\Bridge\Mailgun\Webhook\MailgunRequestParser;
+use Symfony\Component\Mailer\Bridge\Postmark\RemoteEvent\PostmarkPayloadConverter;
+use Symfony\Component\Mailer\Bridge\Postmark\Webhook\PostmarkRequestParser;
+use Symfony\Component\Mailer\Bridge\Sendgrid\RemoteEvent\SendgridPayloadConverter;
+use Symfony\Component\Mailer\Bridge\Sendgrid\Webhook\SendgridRequestParser;
+
+return static function (ContainerConfigurator $container) {
+    $container->services()
+        ->set('mailer.payload_converter.mailgun', MailgunPayloadConverter::class)
+        ->set('mailer.webhook.request_parser.mailgun', MailgunRequestParser::class)
+            ->args([service('mailer.payload_converter.mailgun')])
+        ->alias(MailgunRequestParser::class, 'mailer.webhook.request_parser.mailgun')
+
+        ->set('mailer.payload_converter.postmark', PostmarkPayloadConverter::class)
+        ->set('mailer.webhook.request_parser.postmark', PostmarkRequestParser::class)
+            ->args([service('mailer.payload_converter.postmark')])
+        ->alias(PostmarkRequestParser::class, 'mailer.webhook.request_parser.postmark')
+
+        ->set('mailer.payload_converter.sendgrid', SendgridPayloadConverter::class)
+        ->set('mailer.webhook.request_parser.sendgrid', SendgridRequestParser::class)
+            ->args([service('mailer.payload_converter.sendgrid')])
+        ->alias(SendgridRequestParser::class, 'mailer.webhook.request_parser.sendgrid')
+    ;
+};