chore(deps): update flake8 requirement from <7.0,>=5.0.4 to >=5.0.4,<8.0

Updates the requirements on [flake8](https://github.com/pycqa/flake8) to permit the latest version.
- [Commits](PyCQA/flake8@5.0.4...7.1.1)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:production
...

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

requirements/test.txt

@@ -3,7 +3,7 @@
 
 black ==24.4.2
 isort >=5.10.1, <6.0
-flake8 >=5.0.4, <7.0
+flake8 >=5.0.4, <8.0
 pytest
 pytest-cov
 pytest-snapshot