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/Formatter/OutputFormatterInterface.php

@@ -20,52 +20,41 @@ interface OutputFormatterInterface
 {
     /**
      * Sets the decorated flag.
-     *
-     * @param bool $decorated Whether to decorate the messages or not
      */
-    public function setDecorated($decorated);
+    public function setDecorated(bool $decorated);
 
     /**
-     * Gets the decorated flag.
+     * Whether the output will decorate messages.
      *
-     * @return bool true if the output will decorate messages, false otherwise
+     * @return bool
      */
     public function isDecorated();
 
     /**
      * Sets a new style.
-     *
-     * @param string                        $name  The style name
-     * @param OutputFormatterStyleInterface $style The style instance
      */
-    public function setStyle($name, OutputFormatterStyleInterface $style);
+    public function setStyle(string $name, OutputFormatterStyleInterface $style);
 
     /**
      * Checks if output formatter has style with specified name.
      *
-     * @param string $name
-     *
      * @return bool
      */
-    public function hasStyle($name);
+    public function hasStyle(string $name);
 
     /**
      * Gets style options from style with specified name.
      *
-     * @param string $name
-     *
      * @return OutputFormatterStyleInterface
      *
      * @throws \InvalidArgumentException When style isn't defined
      */
-    public function getStyle($name);
+    public function getStyle(string $name);
 
     /**
      * Formats a message according to the given styles.
      *
-     * @param string $message The message to style
-     *
-     * @return string The styled message
+     * @return string|null
      */
-    public function format($message);
+    public function format(?string $message);
 }