Update protobuf requirement from <=5.28.2,>=5.27.2 to >=5.27.2,<=5.28.3 (#7297)

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](https://github.com/protocolbuffers/protobuf/compare/v5.27.2...v5.28.3)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pyproject.toml

@@ -46,7 +46,7 @@ dependencies = [
     "mitmproxy_rs>=0.10.7,<0.11",  # relaxed upper bound here: we control this
     "msgpack>=1.0.0,<=1.1.0",
     "passlib>=1.6.5,<=1.7.4",
-    "protobuf>=5.27.2,<=5.28.2",
+    "protobuf>=5.27.2,<=5.28.3",
     "pydivert>=2.0.3,<=2.1.0; sys_platform == 'win32'",
     "pyOpenSSL>=22.1,<=24.2.1",
     "pyparsing>=2.4.2,<=3.1.4",