Merge pull request #36432 from sebastian-philipp/cephadm-repo_digest

mgr/cephadm: convert tags to repo_digest

Reviewed-by: Juan Miguel Olmo Martínez <jolmomar@redhat.com>
Reviewed-by: Michael Fritch <mfritch@suse.com>
Reviewed-by: Nathan Cutler <ncutler@suse.com>
Reviewed-by: Varsha Rao <varao@redhat.com>

diff --cc src/cephadm/cephadm
Simple merge

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

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