Switch to using cloudsmith repo as a source for rabbitmq and erlang.
This allows us to be consistent about repository that is
used across supported distributions along with switching from
unreliable erlang-solutions that tend to fail periodically.
Depends-On: https://review.opendev.org/c/openstack/openstack-ansible-os_rally/+/850477
Change-Id: Ia438ee3b0aa1ba95aff014776e936516b83181ec
(cherry picked from commit 4ab856bfef)