heyoka.py 7.12.1

[bluescarni]

This is a quick release to fix the upload of binary wheels to PyPI. There are no code changes with respect to 7.12.0.

The full changelog, as usual, is available here:

https://bluescarni.github.io/heyoka.py/changelog.html

---

This discussion was created from the release heyoka.py 7.12.1.