Merge branch 'QA_5_0'

Signed-off-by: William Desportes <williamdes@wdes.fr>

doc/setup.rst

@@ -96,7 +96,7 @@ In order to install from Git, you'll need a few supporting applications:
 * `Git <https://git-scm.com/downloads>`_ to download the source, or you can download the most recent source directly from `Github <https://codeload.github.com/phpmyadmin/phpmyadmin/zip/master>`_
 * `Composer <https://getcomposer.org/download/>`__
 * `Node.js <https://nodejs.org/en/download/>`_ (version 10 or higher)
-* `Yarn <https://legacy.yarnpkg.com/en/docs/install>`_
+* `Yarn <https://classic.yarnpkg.com/en/docs/install>`_
 
 You can clone current phpMyAdmin source from
 ``https://github.com/phpmyadmin/phpmyadmin.git``: