increase to 12.2.0

Signed-off-by: Simon L. <[email protected]>

Author: szaimen

php/templates/containers.twig

@@ -17,7 +17,7 @@
 
     <div class="container">
         <main>
-            <h1>Nextcloud AIO v12.1.4</h1>
+            <h1>Nextcloud AIO v12.2.0</h1>
 
             {# Add 2nd tab warning #}
             <script type="text/javascript" src="second-tab-warning.js"></script>