v2.12.1

Tiny packaging bugfix: py.typed wasn't included.

What's Changed

• Include py.typed file in wheels by @AlexWaygood in #975
• Become 2.12.1 by @akx in #976

New Contributors

• @AlexWaygood made their first contribution in #975

Full Changelog: v2.12.0...v2.12.1