Bump protobuf from 4.25.8 to 5.29.6 in /stack/PyTorch-Xeon (#119)

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 4.25.8 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: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Xintian Wu <75466671+xwu2intel@users.noreply.github.com>

Author: dependabot[bot]

stack/PyTorch-Xeon/requirements.txt

@@ -1,4 +1,4 @@
-protobuf==4.25.8
+protobuf==5.29.6
 lark-parser==0.12.0
 tornado==6.5.1
 tqdm==4.66.3