Update protobuf requirement from <=5.28.2,>=5.0.0 to >=5.0.0,<=5.28.3

Updates the requirements on [protobuf](https://github.com/protocolbuffers/protobuf) to permit the latest version.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](protocolbuffers/protobuf@v5.26.0-rc1...v5.28.3)

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

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

pyproject.toml

@@ -61,7 +61,7 @@ dependencies = [
     "Jinja2>=3.1.2,<=3.1.4",
     "netaddr<=1.3.0,>=0.7.0",
     "networkx>=2.3,<=3.4.2",
-    "protobuf>=5.0.0,<=5.28.2",
+    "protobuf>=5.0.0,<=5.28.3",
     "ClusterShell<=1.9.2",
     "pytest<=8.3.3",
     "python-dotenv<=1.0.1",