Update pep8-naming to 0.15.1

[pyup-bot]

This PR updates pep8-naming from 0.14.1 to 0.15.1.

Changelog

0.15.1

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* N808 now allows type variable names to start with an underscore.

0.15.0

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* Add support for Python 3.13.
* Drop support for Python 3.8.
* N808 checks type variable names use the CapWords convention and have an appropriate suffix.

Links

• PyPI: https://pypi.org/project/pep8-naming
• Changelog: https://data.safetycli.com/changelogs/pep8-naming/
• Repo: https://github.com/PyCQA/pep8-naming