Update Repository Url

Author: pegvin

AppImage-Builder.yml

@@ -23,7 +23,7 @@ AppDir:
         key_url: 'http://keyserver.ubuntu.com/pks/lookup?op=get&search=0x3b4fe6acc0b21f32'
       - sourceline: 'deb http://archive.ubuntu.com/ubuntu/ bionic-updates main restricted universe multiverse'
       - sourceline: 'deb http://archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse'
-      - sourceline: 'deb http://archive.neon.kde.org/dev/stable bionic main'
+      - sourceline: 'deb http://archive.neon.kde.org/user bionic main'
         key_url: 'http://archive.neon.kde.org/public.key'
 
     include: