Bump protobuf from 5.29.5 to 5.29.6 in the pip group across 1 directory (#158)

Bumps the pip group with 1 update in the / directory: [protobuf](https://github.com/protocolbuffers/protobuf).


Updates `protobuf` from 5.29.5 to 5.29.6
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 5.29.6
  dependency-type: indirect
  dependency-group: pip
...

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

Author: dependabot[bot]