Bump pep8-naming from 0.12.0 to 0.12.1

Bumps [pep8-naming](https://github.com/PyCQA/pep8-naming) from 0.12.0 to 0.12.1.
- [Release notes](https://github.com/PyCQA/pep8-naming/releases)
- [Changelog](https://github.com/PyCQA/pep8-naming/blob/master/CHANGELOG.rst)
- [Commits](PyCQA/pep8-naming@0.12.0...0.12.1)

---
updated-dependencies:
- dependency-name: pep8-naming
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

poetry.lock

@@ -49,7 +49,7 @@ sphinx-autobuild = "^2021.3.14"
 darglint = "^1.5.8"
 flake8-docstrings = "^1.5.0"
 flake8-rst-docstrings = "^0.2.3"
-pep8-naming = "^0.12.0"
+pep8-naming = "^0.12.1"
 pre-commit-hooks = "^4.0.1"
 typeguard = "^2.10.0"
 sphinx-rtd-theme = "^0.5.1"