File _service of Package libxml2

<services>
  <service name="obs_scm" mode="manual">
    <param name="url">https://gitlab.gnome.org/GNOME/libxml2.git</param>
    <param name="scm">git</param>
    <param name="revision">master</param>
  </service>
  <service mode="manual" name="tar" />
  <service mode="manual" name="recompress">
    <param name="file">*.tar</param>
    <param name="compression">xz</param>
  </service>
  <service mode="manual" name="set_version" />
</services>