Merge pull request #43901 from pcuzner/snmp-notifier

mgr/cephadm: Add snmp-gateway service support

Reviewed-by: Adam King <adking@redhat.com>
Reviewed-by: Sebastian Wagner <sewagner@redhat.com>

diff --cc doc/cephadm/services/index.rst
Simple merge

diff --cc src/cephadm/cephadm
Simple merge

diff --cc src/cephadm/tests/test_cephadm.py
Simple merge

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

diff --cc src/python-common/ceph/deployment/service_spec.py
Simple merge