build(deps): bump types-six in /.github/workflows/style (#44167)

Bumps [types-six](https://github.com/python/typeshed) from 1.16.21.9 to 1.16.21.20240513.
- [Commits](https://github.com/python/typeshed/commits)

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

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

.github/workflows/style/requirements.txt

@@ -3,5 +3,5 @@ clingo==5.7.1
 flake8==7.0.0
 isort==5.13.2
 mypy==1.8.0
-types-six==1.16.21.9
+types-six==1.16.21.20240513
 vermin==1.6.0