When creating a new DLRN builder, we create the user
(e.g "centos9-antelope") and its associated SSH keypair.
This keypair is used to authenticate against trunk.r.o to sync the
repos, and also to authenticate against Gerrit instance
review.rdoproject.org to send patches.
We need to add manually the pubkey to the account 'rdo-trunk' linked
to the email "amoralej+rdo-trunk@redhat.com".