Update flake8-bugbear to 23.5.9

[pyup-bot]

This PR updates flake8-bugbear from 23.3.12 to 23.5.9.

Changelog

23.5.9

* Add B033: Detect duplicate items in sets
* Add B908: Detect assertRauses like contexts only has top level statements that could throw
* Add B028: Allow stacklevel to be explicitly assigned as a positional argument
* Remove more < 3.8 checks / assertions

23.3.23

* flake8-bugbear is now >= 3.8.1 project like flake8>=6.0.0
* This has allowed some more modern AST usage cleanup and less CI running etc.
* B030: Fix crash on certain unusual except handlers (e.g. ``except a[0].b:``)

Links

• PyPI: https://pypi.org/project/flake8-bugbear
• Changelog: https://pyup.io/changelogs/flake8-bugbear/

[pyup-bot]

Closing this in favor of #176