temporary: Build and publish image using gitlab-cloud-runners (again)
Temporarily build and publish image using gitlab-cloud-runners so that
we can get a fix out to the most-used runners while waiting for
https://gerrit.wikimedia.org/r/c/operations/puppet/+/995343 to be
deployed.
Related MRs:
- !50 (merged)
- !51 (merged) (This MR)
- wmf/v0.12