Merge PR #39845 into master

* refs/pull/39845/head:
	doc: clarify mirror daemon user capability requirements
	doc: doc changes for additional mirroring interfaces
	pybind/mirroring: add interface to list file system mirror peers
	pybind/mirroring: set libcephfs handle root uid/gid as 0:0
	test: add tests for mirroring bootstrap interfaces
	pybind/mirroring: introduce peer_bootstrap {create|import} commands
	cephfs-mirror: use peer cluster monitor address (and key) if available
	mon: peer_add should accept Ceph file system UUID
	mon: introduce "profile cephfs-mirror" cap constrained to "config-get cephfs/mirror/peer"
	test: add test for failed filesystem mirror instances
	cephfs-mirror: restart failed mirror filesystem instances

Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>