CI: (deps): Bump the flake8 group across 1 directory with 3 updates

Bumps the flake8 group with 3 updates in the /ci directory: [flake8](https://github.com/pycqa/flake8), [pycodestyle](https://github.com/PyCQA/pycodestyle) and [flake8-requirements](https://github.com/Arkq/flake8-requirements).


Updates `flake8` from 7.0.0 to 7.1.0
- [Commits](PyCQA/flake8@7.0.0...7.1.0)

Updates `pycodestyle` from 2.11.1 to 2.12.0
- [Release notes](https://github.com/PyCQA/pycodestyle/releases)
- [Changelog](https://github.com/PyCQA/pycodestyle/blob/main/CHANGES.txt)
- [Commits](PyCQA/pycodestyle@2.11.1...2.12.0)

Updates `flake8-requirements` from 2.1.0 to 2.2.0
- [Commits](arkq/flake8-requirements@v2.1.0...v2.2.0)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: flake8
- dependency-name: pycodestyle
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: flake8
- dependency-name: flake8-requirements
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: flake8
...

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

ci/linting_requirements.txt

@@ -1,13 +1,13 @@
 ruff==0.3.2
 
-flake8==7.0.0
-pycodestyle==2.11.1
+flake8==7.1.0
+pycodestyle==2.12.0
 pyflakes==3.2.0
 
 flake8-continuation==1.0.5
 flake8-isort==6.1.1
 isort==5.13.2
-flake8-requirements==2.1.0
+flake8-requirements==2.2.0
 
 flake8-rst-docstrings==0.3.0