Bump types-pyyaml in the python-packages group

Bumps the python-packages group with 1 update: [types-pyyaml](https://github.com/typeshed-internal/stub_uploader).


Updates `types-pyyaml` from 6.0.12.12 to 6.0.12.20250915
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-pyyaml
  dependency-version: 6.0.12.20250915
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: python-packages
...

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Author: dependabot[bot]