Merge pull request #70237 from adk3798/cephadm-nvmeof-mount-mtls-certs-in-dir

mgr/cephadm: store nvmeof mtls certs in sub-directory

Reviewed-by: Gil Bregman <gbregman@il.ibm.com>
Reviewed-by: Shweta Bhosale <Shweta.Bhosale1@ibm.com>

diff --cc src/pybind/mgr/cephadm/templates/services/nvmeof/ceph-nvmeof.conf.j2
Simple merge

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