Bump types-protobuf from 6.30.2.20250703 to 6.30.2.20250809 (#392)

Bumps
[types-protobuf](https://github.com/typeshed-internal/stub_uploader)
from 6.30.2.20250703 to 6.30.2.20250809.
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poetry.lock

@@ -47,7 +47,7 @@ pre-commit = "4.3.0"
 pytest = "8.4.1"
 pytest-asyncio = "1.1.0"
 pytest-cov = "6.2.1"
-types-protobuf = "6.30.2.20250703"
+types-protobuf = "6.30.2.20250809"
 grpcio-tools = "1.71.2"
 
 [tool.poetry.requires-plugins]