bubblewrap release checklist

Collect release notes
Update version number in configure.ac and meson.build
Commit the changes
meson dist -C ${builddir}
Do any final smoke-testing, e.g. update a package, install and test it
git evtag sign v$VERSION
- Include the release notes in the tag message
git push --atomic origin main v$VERSION
https://github.com/containers/bubblewrap/releases/new
- Fill in the new version's tag in the "Tag version" box
- Title: $VERSION
- Copy the release notes into the description
- Upload the tarball that you built with meson dist
- Get the sha256sum of the tarball and append it to the description
- Publish release