Bump types-protobuf from 5.29.1.20250315 to 6.32.1.20251210

Bumps [types-protobuf](https://github.com/typeshed-internal/stub_uploader) from 5.29.1.20250315 to 6.32.1.20251210.
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: types-protobuf
  dependency-version: 6.32.1.20251210
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]