Merge PR #39595 into pacific

* refs/pull/39595/head:
	mon/KVMonitor: fix 'osd new' cross-service commit
	mgr/ActivePyModules.cc: use wrappers for acquiring/releasing GIL
	mgr: rename config_prefix -> mgr_store_prefix
	mgr: fix config option prefix
	mgr/MgrStandby: simplify weird code
	mgr_module: get_foreign_ceph_option(entity, name)
	mgr: maintain a ConfigMap copy
	mon/ConfigMap: factor out parse_key helper
	mon/ConfigMap: fix stray option leak
	mgr: use new kv subscription for mgr/, device/, config/
	mon: allow subscription to kv/config-key data
	mon: convert ConfigKeyService -> KVMonitor

Reviewed-by: Neha Ojha <nojha@redhat.com>