Release steps

Release steps

1. Edit CHANGELOG.md following Keep a Changelog guidelines with:
   • Add new version section at top and date with subsections "Added"/"Changed"/"Fixed" as needed
   • Add new version link at bottom with correct compare URL, also modify the link for "Unreleased"
2. Edit CITATION.cff, modify "version" and "date-released" items
3. Create a commit with message, e.g., git commit -m "RLS: 0.4"
4. Create a tag, e.g., git tag 0.4
5. Do a git push and git push --tags and observe checks in GitHub
6. In GitHub, draft new release using the existing tag with title, e.g., "Version 0.4" and description from a copy/paste from CHANGELOG.md
7. Create packages and upload to PyPI using a few commands with a modern Python version:

pip install build twine
rm -rf build *.egg-info
python -m build
twine check --strict dist/*
twine upload dist/*