Bump flake8 from 6.1.0 to 7.0.0

Bumps [flake8](https://github.com/pycqa/flake8) from 6.1.0 to 7.0.0.
- [Commits](PyCQA/flake8@6.1.0...7.0.0)

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

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

dev-requirements.txt

@@ -52,7 +52,7 @@ exceptiongroup==1.1.1
     # via pytest
 execnet==1.9.0
     # via pytest-xdist
-flake8==6.1.0
+flake8==7.0.0
     # via -r dev-requirements.in
 honcho==1.1.0
     # via -r dev-requirements.in
@@ -98,7 +98,7 @@ ptvsd==4.3.2
     # via -r dev-requirements.in
 pycodestyle==2.11.0
     # via flake8
-pyflakes==3.1.0
+pyflakes==3.2.0
     # via flake8
 pytest==7.4.3
     # via