build(deps): bump protobuf from 3.20.1 to 3.20.3

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 3.20.1 to 3.20.3.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](protocolbuffers/protobuf@v3.20.1...v3.20.3)

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

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

Author: dependabot[bot]

setup.py

@@ -51,7 +51,7 @@
         'transformers==4.22.2',
         'datasets==2.5.2',
         'pathos==0.2.8',
-        'protobuf==3.20.1',
+        'protobuf==3.20.3',
         # for sts:
         'sentence-transformers==2.2.2',
         # for alignment: