The goal is to have a single archive in records, alike when using the github hook.

Related to issues https://gitlab.in2p3.fr/escape2020/wp3/eossr/-/issues/73 https://gitlab.in2p3.fr/escape2020/wp3/eossr/-/issues/63 https://gitlab.in2p3.fr/escape2020/wp3/eossr/-/issues/56

TODO:

• fix issue #63 (closed)
• fix issue #56 (closed)
• in case of using gitlab CI, one can use the archive from gitlab directly?
• remove singularity building
• do not upload the docker tar archive