Bump protobuf from 4.24.3 to 4.24.4 in /test (#518)

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 4.24.3 to 4.24.4.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v4.24.3...v4.24.4)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

test/requirements.ci.txt

@@ -1,6 +1,6 @@
 docker==6.1.3
 grpcio==1.59.0
-protobuf==4.24.3
+protobuf==4.24.4
 requests==2.31.0
 urllib3==2.0.6
 websocket-client==1.6.3