File _service of Package warewulf-rke2-agent

<services>
 <service mode="buildtime" name="kiwi_metainfo_helper"/>
 <service mode="buildtime" name="replace_using_env">
  <param name="file">Dockerfile</param>
  <param name="var">RKE2_VERSION_</param>
  <param name="eval">export RKE2_VERSION_=$(sh ./get_tags.sh '*warewulf-rke2-base*' rke)</param>
  <param name="var">RKE2_VERSION</param>
  <param name="eval">export RKE2_VERSION=$(sh ./get_tags.sh '*warewulf-rke2-base*' rke | tr '_' '+')</param>
 </service>
</services>