Merge PR #33808 into master

* refs/pull/33808/head:
	mgr/cephadm: apply: fill in default placement if none is provided
	mgr/cephadm: make placement truly optional (default to count=1)
	mgr/cephadm: allow count == 0
	mgr/cephadm: remove magic labels

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

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

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