Merge pull request #37920 from votdev/issue_48068_timezone

cephadm: Various properties like 'last_refresh' do not contain timezone

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

diff --cc src/cephadm/cephadm
Simple merge

diff --cc src/pybind/mgr/cephadm/inventory.py
Simple merge

diff --cc src/pybind/mgr/cephadm/module.py
Simple merge

diff --cc src/pybind/mgr/cephadm/serve.py
Simple merge

diff --cc src/pybind/mgr/orchestrator/_interface.py
Simple merge

diff --cc src/pybind/mgr/orchestrator/module.py
Simple merge