Publish a new version to PyPI

1. Trigger the Generate release Pull Request workflow with the desired package version.

   The GitHub CLI is very convenient for this:

   $ gh workflow run
   ? Select a workflow Generate release Pull Request (gen-release-pr.yml)
   ? changie-version 1.7.0
   ? next-version patch
   ✓ Created workflow_dispatch event for gen-release-pr.yml at main
   

2. Create a release.