File _service of Package python-zstandard

<services>
  <service name="download_src_package">
    <param name="host">download.opensuse.org</param>
    <param name="protocol">https</param>
    <param name="path">/repositories/devel:/languages:/python:/backports/15.4/src/python-zstandard-0.19.0-lp154.2.1.src.rpm</param>
  </service>
</services>