Bump protobuf from 4.25.2 to 4.25.3

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 4.25.2 to 4.25.3.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v4.25.2...v4.25.3)

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

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

requirements.txt

@@ -1,7 +1,7 @@
 Django==4.2.10
 GitPython==3.1.42
 gunicorn==21.2.0
-protobuf==4.25.2
+protobuf==4.25.3
 psycopg==3.1.18
 whitenoise==6.6.0
 packaging==23.2