Merge pull request #44088 from ceph/feature-48388-cache

mgr: TTL cache implementation

Reviewed-by: Alfonso Martínez <almartin@redhat.com>
Reviewed-by: Ernesto Puerta <epuertat@redhat.com>
Reviewed-by: Pere Diaz Bou <pdiazbou@redhat.com>
Reviewed-by: sebastian-philipp <NOT@FOUND>

diff --cc src/common/options/global.yaml.in
Simple merge

diff --cc src/pybind/mgr/mgr_module.py
Simple merge