Bump flake8 from 6.0.0 to 6.1.0

Bumps [flake8](https://github.com/pycqa/flake8) from 6.0.0 to 6.1.0.
- [Commits](PyCQA/flake8@6.0.0...6.1.0)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements_dev.txt

@@ -1,6 +1,6 @@
 pre-commit==3.4.0
 black==23.9.1
-flake8==6.0.0
+flake8==6.1.0
 reorder-python-imports==3.12.0
 homeassistant
 pymyenergi