Bump protobuf from 3.20.1 to 3.20.2 in /consistency/tool

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.20.1 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@v3.20.1...v3.20.2)

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

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

consistency/tool/requirements.txt

@@ -19,7 +19,7 @@ pandas==1.4.3
 parameterized==0.8.1
 pathspec==0.9.0
 platformdirs==2.5.2
-protobuf==3.20.1
+protobuf==3.20.2
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 python-dateutil==2.8.2