fix(deps): Update dependency protobuf to v5.28.0 (#114)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [protobuf](https://developers.google.com/protocol-buffers/) | minor | `==5.27.3` -> `==5.28.0` |

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Author: cq-bot

requirements.txt

@@ -1,6 +1,6 @@
 black==24.8.0
 grpcio-tools==1.66.1
 grpcio==1.66.1
-protobuf==5.27.3
+protobuf==5.28.0
 pyarrow==17.0.0
 pytest==8.3.2