CI: (deps): Bump protobuf from 6.32.1 to 6.33.4 in /ci

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 6.32.1 to 6.33.4.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

---
updated-dependencies:
- dependency-name: protobuf
  dependency-version: 6.33.4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

ci/requirements.txt

@@ -1,5 +1,5 @@
 beautifulsoup4==4.14.3
 numpy==2.4.1
 pandas==2.3.3
-protobuf==6.32.1
+protobuf==6.33.4
 requests==2.32.5