Log Message:
py-hexbytes: updated to 1.2.1

hexbytes v1.2.1 (2024-06-17)

Improved Documentation

Update docs structure, adding Contribution and Code of Conduct sections

Internal Changes - for hexbytes Contributors

Drop bumpversion for bump-my-version and add make package-test to build and test \ 
the package before pushing to pypi.
Run mypy with local deps installed instead of pre-commit mirrors-mypy hook.