Fix Joomla Logo

Author: mms-gianni

services/joomla/service.yaml

@@ -4,6 +4,6 @@ tags:
 - CMS
 source: https://github.com/joomla/joomla-cms
 website: https://joomla.org
-icon: https://docs.joomla.org/images/0/02/Joomla-flat-logo-en.png
+icon: https://avatars.githubusercontent.com/u/751633?s=200&v=4
 screenshots:
-- https://upload.wikimedia.org/wikipedia/commons/9/96/Backend_Joomla_4_en.png
+- https://upload.wikimedia.org/wikipedia/commons/9/96/Backend_Joomla_4_en.png