Merge pull request #47098 from rkachach/fix_issue_56508

mgr/cephadm: Adding logic to store grafana cert/key per node

Reviewed-by: Adam King <adking@redhat.com>
Reviewed-by: Ernesto Puerta <epuertat@redhat.com>
Reviewed-by: Francesco Pantano <fpantano@redhat.com>

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

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