see if this will stop signature check

customers/base/nextcloud-configmap.yml

@@ -26,7 +26,6 @@ data:
             ),
         ),
       'appstoreenabled' => false,
-      'branch' => 'Sunet',
       'config_is_read_only' => true,
       'csrf.disabled' => true,
       'datadirectory' => '/var/www/html/data',
@@ -110,5 +109,6 @@ data:
         array (
           0 => 'admin',
         ),
+      'updater.release.channel' => 'Sunet',
       'version' => '{{NEXTCLOUD_VERSION_STRING}}',
     );