fix(deps): Update dependency protobuf to v5.29.4 (#152)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [protobuf](https://developers.google.com/protocol-buffers/) | patch | `==5.29.3` -> `==5.29.4` |

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Author: cq-bot

requirements.txt

@@ -1,6 +1,6 @@
 black==25.1.0
 grpcio-tools==1.70.0
 grpcio==1.70.0
-protobuf==5.29.3
+protobuf==5.29.4
 pyarrow==19.0.1
 pytest==8.3.4