Bump flake8 from 5.0.4 to 7.1.1

Bumps [flake8](https://github.com/pycqa/flake8) from 5.0.4 to 7.1.1.
- [Commits](PyCQA/flake8@5.0.4...7.1.1)

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

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

Author: dependabot[bot]

poetry.lock

@@ -28,7 +28,7 @@ python-coveralls = "^2.9.3"
 
 [tool.poetry.group.dev.dependencies]
 pytest = ">=7.2,<9.0"
-flake8 = ">=4.0.1,<6.0.0"
+flake8 = ">=4.0.1,<8.0.0"
 black = ">=22.8,<25.0"
 pre-commit = ">=2.20,<5.0"