build(deps): 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:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -4,6 +4,6 @@ pytz==2023.3.post1
 Requests==2.31.0
 pytest==7.4.3
 pytest-cov==4.1.0
-flake8==6.1.0
+flake8==7.0.0
 pylint==3.0.3
 numpy==1.26.2