File _servicedata of Package ghc-contra-tracer

<servicedata>
<service name="tar_scm">
                <param name="url">https://github.com/input-output-hk/iohk-monitoring-framework.git</param>
              <param name="changesrevision">b73a881a44619ae1d00e69aaacd5cfb652f39936</param></service></servicedata>