Bump protobuf from 3.20.0 to 3.20.2 (#930)

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/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.20.0...v3.20.2)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Hector <hunterhector@gmail.com>

setup.py

@@ -51,7 +51,7 @@
         'dataclasses~=0.7;python_version<"3.7"',
         'importlib-resources>=5.1.4;python_version<"3.9"',
         "asyml-utilities",
-        "protobuf==3.20.0"
+        "protobuf==3.20.2"
     ],
     extras_require={
         "data_aug": [