Merge pull request #55657 from ceph/wip-rgw-meta-topic

rgw: replicate v2 topic/notification metadata

Reviewed-by: Krunal Chheda <kchheda3@bloomberg.net>
Reviewed-by: Yuval Lifshitz <ylifshit@redhat.com>
Reviewed-by: Casey Bodley <cbodley@redhat.com>
Reviewed-by: Matt Benjamin <mbenjamin@redhat.com>

diff --cc src/rgw/rgw_admin.cc
Simple merge

diff --cc src/rgw/rgw_common.cc
Simple merge

diff --cc src/rgw/rgw_common.h
Simple merge