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/console/Exception/CommandNotFoundException.php

@@ -21,12 +21,12 @@ class CommandNotFoundException extends \InvalidArgumentException implements Exce
     private $alternatives;
 
     /**
-     * @param string     $message      Exception message to throw
-     * @param array      $alternatives List of similar defined names
-     * @param int        $code         Exception code
-     * @param \Exception $previous     Previous exception used for the exception chaining
+     * @param string          $message      Exception message to throw
+     * @param string[]        $alternatives List of similar defined names
+     * @param int             $code         Exception code
+     * @param \Throwable|null $previous     Previous exception used for the exception chaining
      */
-    public function __construct($message, array $alternatives = [], $code = 0, \Exception $previous = null)
+    public function __construct(string $message, array $alternatives = [], int $code = 0, \Throwable $previous = null)
     {
         parent::__construct($message, $code, $previous);
 
@@ -34,7 +34,7 @@ class CommandNotFoundException extends \InvalidArgumentException implements Exce
     }
 
     /**
-     * @return array A list of similar defined names
+     * @return string[]
      */
     public function getAlternatives()
     {

lib/symfony/console/Exception/ExceptionInterface.php

@@ -16,6 +16,6 @@ namespace Symfony\Component\Console\Exception;
  *
  * @author Jérôme Tamarelle <jerome@tamarelle.net>
  */
-interface ExceptionInterface
+interface ExceptionInterface extends \Throwable
 {
 }

lib/symfony/console/Exception/MissingInputException.php

@@ -0,0 +1,21 @@
+<?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\Console\Exception;
+
+/**
+ * Represents failure to read input from stdin.
+ *
+ * @author Gabriel Ostrolucký <gabriel.ostrolucky@gmail.com>
+ */
+class MissingInputException extends RuntimeException implements ExceptionInterface
+{
+}

lib/symfony/console/Exception/NamespaceNotFoundException.php

@@ -0,0 +1,21 @@
+<?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\Console\Exception;
+
+/**
+ * Represents an incorrect namespace typed in the console.
+ *
+ * @author Pierre du Plessis <pdples@gmail.com>
+ */
+class NamespaceNotFoundException extends CommandNotFoundException
+{
+}