Merge PR #39069 into master

Merge PR #39069 into master

* refs/pull/39069/head:
	mgr/cephadm/upgrade: tolerate pre-pacific upgrade state
	mgr/cephadm/upgrade: scale down MDS cluster(s) for major version upgrades
	mgr/cephadm: fix capitalization, level; drop elipses of log msgs
	mgr/cephadm/upgrade: match against any repo_digest, not image_id
	cephadm: return repo_digests (plural) in pull/inspect output
	mgr/cephadm: include container_image_digests in inventory
	cephadm: include image_digests list in 'ls' output
	vstart.sh: only extract first container digest
	mgr/cephadm: move release -> major translation to helper
	mgr/cephadm/upgrade: tolerate old upgrade_state.target_versoin
	mgr/cephadm/upgrade: set require-osd-release when done with OSDs
	mgr: add lookup_release_name(int) to mgr interface
	mgr/cephadm: verify container image version after we pull it
	mgr/cephadm: only save version portion of version string
	cephadm: fix 'inspect' and 'pull'
	mgr/cephadm/upgrade: implement N-2 version checks on upgrade start

Reviewed-by: Sebastian Wagner <swagner@suse.com>