File _servicedata of Package cockpit-file-sharing

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/45Drives/cockpit-file-sharing.git</param>
              <param name="changesrevision">f1f7f8fdd68726922ac1277ef8fe00fb7f00aa51</param></service></servicedata>