Bump protobuf from 3.19.4 to 3.19.5 in /multimodal/CLIP/pytorch

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.19.4 to 3.19.5.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.19.4...v3.19.5)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

multimodal/CLIP/pytorch/requirements.txt

@@ -7,5 +7,5 @@ ftfy==6.0.3
 torchvision==0.14.0+cpu; python_version > '3.6'
 torchvision==0.11.0+cpu; python_version <= '3.6'
 pytest==6.2.5
-protobuf==3.19.4
+protobuf==3.19.5
 git+https://github.com/graphcore/examples-utils@latest_stable