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">bdefbad0f9987fabdd37cb93f39186f6275f7144</param>
  </service>
</servicedata>