migration symfony 5 4 (#300)

* symfony 5.4 (diff dev)

* symfony 5.4 (working)

* symfony 5.4 (update autoload)

* symfony 5.4 (remove swiftmailer mailer implementation)

* symfony 5.4 (php doc and split Global accessor class)


### Impacted packages:

composer require php:">=7.2.5 <8.0.0" symfony/console:5.4.* symfony/dotenv:5.4.* symfony/framework-bundle:5.4.* symfony/twig-bundle:5.4.* symfony/yaml:5.4.* --update-with-dependencies

composer require symfony/stopwatch:5.4.* symfony/web-profiler-bundle:5.4.* --dev --update-with-dependencies

lib/symfony/framework-bundle/Resources/config/workflow.php

@@ -0,0 +1,50 @@
+<?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\Workflow\EventListener\ExpressionLanguage;
+use Symfony\Component\Workflow\MarkingStore\MethodMarkingStore;
+use Symfony\Component\Workflow\Registry;
+use Symfony\Component\Workflow\StateMachine;
+use Symfony\Component\Workflow\Workflow;
+
+return static function (ContainerConfigurator $container) {
+    $container->services()
+        ->set('workflow.abstract', Workflow::class)
+            ->args([
+                abstract_arg('workflow definition'),
+                abstract_arg('marking store'),
+                service('event_dispatcher')->ignoreOnInvalid(),
+                abstract_arg('workflow name'),
+                abstract_arg('events to dispatch'),
+            ])
+            ->abstract()
+            ->public()
+            ->tag('container.private', ['package' => 'symfony/framework-bundle', 'version' => '5.3'])
+        ->set('state_machine.abstract', StateMachine::class)
+            ->args([
+                abstract_arg('workflow definition'),
+                abstract_arg('marking store'),
+                service('event_dispatcher')->ignoreOnInvalid(),
+                abstract_arg('workflow name'),
+                abstract_arg('events to dispatch'),
+            ])
+            ->abstract()
+            ->public()
+            ->tag('container.private', ['package' => 'symfony/framework-bundle', 'version' => '5.3'])
+        ->set('workflow.marking_store.method', MethodMarkingStore::class)
+            ->abstract()
+        ->set('workflow.registry', Registry::class)
+        ->alias(Registry::class, 'workflow.registry')
+        ->set('workflow.security.expression_language', ExpressionLanguage::class)
+    ;
+};