File _servicedata of Package distribution-gpg-keys

<servicedata>
  <service name="tar_scm">
    <param name="url">https://github.com/rpm-software-management/distribution-gpg-keys.git</param>
    <param name="changesrevision">9d5bea0895a74579c1d6f294615680cf9782bb24</param>
  </service>
</servicedata>