Merge PR #30431 into master

* refs/pull/30431/head:
	pybind/ceph_argparse: add :int or :float to numerical args
	pybind/ceph_argparse: simplify osd name and target types
	pybind/ceph_argparse: prefer field names to types in help output
	pybind/ceph_argparse: more concise n=N '...'
	pybind/ceph_argparse: [] (not {}) around optional args

Reviewed-by: Brad Hubbard <bhubbard@redhat.com>
Reviewed-by: Josh Durgin <jdurgin@redhat.com>