Bump protobuf from 5.27.2 to 5.27.3

Bumps [protobuf](https://github.com/protocolbuffers/protobuf) from 5.27.2 to 5.27.3.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.27.2...v5.27.3)

---
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==4.2.14
 GitPython==3.1.43
 gunicorn==22.0.0
-protobuf==5.27.2
+protobuf==5.27.3
 psycopg==3.2.1
 whitenoise==6.7.0
 packaging==24.1