build(deps-dev): bump flake8 from 6.1.0 to 7.1.1

Bumps [flake8](https://github.com/pycqa/flake8) from 6.1.0 to 7.1.1.
- [Commits](PyCQA/flake8@6.1.0...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]

Diff for: poetry.lock

@@ -42,7 +42,7 @@ pytest-cov = "^4.0.0"
 [tool.poetry.group.dev.dependencies]
 autoflake = ">=1.7.7,<3.0.0"
 black = "^23.01.0"
-flake8 = "^6.0.0"
+flake8 = ">=6,<8"
 isort = "^5.10.1"
 pre-commit = "^3.0.4"
 pylint = ">=2.16.2,<4.0.0"