build(deps): bump flake8 from 7.1.1 to 7.1.2 in /clients/py (#112)

Bumps [flake8](https://github.com/pycqa/flake8) from 7.1.1 to 7.1.2.
- [Commits](PyCQA/flake8@7.1.1...7.1.2)

---
updated-dependencies:
- dependency-name: flake8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

clients/py/optional-requirements.txt

@@ -1,4 +1,4 @@
-flake8==7.1.1
+flake8==7.1.2
 iniconfig==2.0.0
 mccabe==0.7.0
 mypy==1.15.0