Merge branch '4.3' into 4.4

* 4.3:
  Showing new -extra Twig extension repos

Author: javiereguiluz

mailer.rst

@@ -413,9 +413,9 @@ it with:
 
 .. code-block:: terminal
 
-    $ composer require twig/cssinliner-extra
+    $ composer require twig/extra-bundle twig/cssinliner-extra
 
-The extension is enabled automatically. To use this, wrap the entire template
+The extension is enabled automatically. To use it, wrap the entire template
 with the ``inline_css`` filter:
 
 .. code-block:: html+twig
@@ -515,7 +515,7 @@ the extension in your application:
 
 .. code-block:: terminal
 
-    $ composer require twig/inky-extra
+    $ composer require twig/extra-bundle twig/inky-extra
 
 The extension adds an ``inky_to_html`` filter, which can be used to convert
 parts or the entire email contents from Inky to HTML: