What's Changed

• Replace spaces with underscores in news directory.
• Drop support for Python 3.7.
• Remove blurb split command.
• Replace gh-issue-NNNN: with gh-NNNN: in the output.
• Accept GitHub issues numbered only 32426 or above.
• Improve error checking when parsing a Blurb.
• Loosen README check for CPython forks.
• Move code from python/core-workflow to own python/blurb repo.
• Deploy to PyPI via Trusted Publishers.

Full Changelog: https://github.com/python/blurb/commits/v1.2.0