Merge pull request #50 from ceph/fixes

Fix a doctor crash and two regressions

Merge pull request #49 from ceph/ctrl-c

exec: Clean up subprocesses on ctrl-C

Merge pull request #48 from ceph/ci-updates

Require python 3.12; update CI and tests

Merge pull request #45 from ceph/crun-fix

Improve runtime fix

Merge pull request #44 from ceph/mu-fix

Fix regression in Host.os_type

Merge pull request #43 from ceph/macos-ubuntu

Improve doctor for macOS, Ubuntu

Merge pull request #42 from ceph/pypi-release

pyproject.toml: Correct readme MIME type