fix(deps): Update dependency protobuf to v5.29.2 (#140)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [protobuf](https://developers.google.com/protocol-buffers/) | minor | `==5.28.3` -> `==5.29.2` |

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requirements.txt

@@ -1,6 +1,6 @@
 black==24.10.0
 grpcio-tools==1.68.1
 grpcio==1.68.1
-protobuf==5.28.3
+protobuf==5.29.2
 pyarrow==18.0.0
 pytest==8.3.4