Merge PR #68357 into tentacle

* refs/pull/68357/head:
	qa/suites/upgrade/telemetry-upgrade: ignore expected health warning
	qa/suites/orch/cephadm: replace "reef" with "v18.2.8"
	qa/suites/fs/upgrade/mds_upgrade_sequence: replace "reef" with "v18.2.8"
	qa/suites/upgrade: use tagged versions of reef

Reviewed-by: Patrick Donnelly <pdonnell@ibm.com>
Reviewed-by: Redouane Kachach <rkachach@redhat.com>
Reviewed-by: Nitzan Mordechai <nmordech@redhat.com>