File _service of Package arianna

<services>
  <service name="obs_scm" mode="disabled">
    <param name="url">https://invent.kde.org/graphics/arianna.git</param>
    <param name="scm">git</param>
    <param name="revision">master</param>
    <param name="versionformat">%cd.%h</param>
  </service>
  <service name="set_version" mode="disabled"/>
  <service name="tar" mode="buildtime"/>
</services>