chore(deps): bump protobuf in /source/model/rerank/code

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.20.0 to 3.20.2.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v3.20.0...v3.20.2)

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

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

source/model/rerank/code/requirements.txt

@@ -1 +1 @@
-protobuf==3.20.0
+protobuf==3.20.2