Update djangorestframework-stubs to 3.15.1

[pyup-bot]

This PR updates djangorestframework-stubs from 3.15.0 to 3.15.1.

Changelog

3.15.1

New Contributors
* q0w made their first contribution in https://github.com/typeddjango/djangorestframework-stubs/pull/618
* DongwookKim0823 made their first contribution in https://github.com/typeddjango/djangorestframework-stubs/pull/632

**Full Changelog**: https://github.com/typeddjango/djangorestframework-stubs/compare/3.15.0...3.15.1

Links

• PyPI: https://pypi.org/project/djangorestframework-stubs
• Changelog: https://data.safetycli.com/changelogs/djangorestframework-stubs/
• Repo: https://github.com/typeddjango/djangorestframework-stubs