Bump protobuf from 5.29.4 to 5.29.5 in /.ci/docker

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 5.29.4 to 5.29.5.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.29.4...v5.29.5)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 5.29.5
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.ci/docker/requirements-ci.txt

@@ -166,7 +166,7 @@ pillow==11.0.0
 #Pinned versions: 10.3.0
 #test that import:
 
-protobuf==5.29.4
+protobuf==5.29.5
 #Description:  Google's data interchange format
 #Pinned versions: 5.29.4
 #test that import: test_tensorboard.py, test/onnx/*