Python SDK: Bump the development-dependencies group (#802)

Bumps the development-dependencies group in /demos/python/sdk_wireless_camera_control with 2 updates: [coverage](https://github.com/nedbat/coveragepy) and [types-protobuf](https://github.com/typeshed-internal/stub_uploader).


Updates `coverage` from 7.9.1 to 7.9.2
- [Release notes](https://github.com/nedbat/coveragepy/releases)
- [Changelog](https://github.com/nedbat/coveragepy/blob/master/CHANGES.rst)
- [Commits](coveragepy/coveragepy@7.9.1...7.9.2)

Updates `types-protobuf` from 6.30.2.20250516 to 6.30.2.20250703
- [Commits](https://github.com/typeshed-internal/stub_uploader/commits)

---
updated-dependencies:
- dependency-name: coverage
  dependency-version: 7.9.2
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
- dependency-name: types-protobuf
  dependency-version: 6.30.2.20250703
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: development-dependencies
...

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Author: dependabot[bot]