File _servicedata of Package gamescope-session-steam-system-update

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/YugaLinux/gamescope-session-steam-system-update.git</param>
              <param name="changesrevision">e6f53d9b756022d5d67b6f5f0e08471b8b61a98d</param></service></servicedata>