Checklist:
- I added a summary of any user-facing changes (compared to the last release) in the
changelog-entries/<PRnumber>.md. - I will remember to squash-and-merge, providing a useful summary of the changes of this PR.
For release PRs (new distribution): update tools/tests/requirements-reference.txt if reference_versions.yaml changed (python3 tools/tests/update_requirements_reference.py).