Update tox to 4.23.1

[pyup-bot]

This PR updates tox from 3.27.1 to 4.23.1.

Changelog

3.28.0

--------------------

Features
^^^^^^^^

- Support provision of tox 4 with the ``min_version`` option - by :user:`hroncok`
`2661 <https://github.com/tox-dev/tox/issues/2661>`_

Links

• PyPI: https://pypi.org/project/tox
• Changelog: https://data.safetycli.com/changelogs/tox/

[pyup-bot]

Closing this in favor of #345