Bump types-protobuf from 6.30.2.20250822 to 6.32.1.20250918 (onnx#7353)

Bumps
[types-protobuf](https://github.com/typeshed-internal/stub_uploader)
from 6.30.2.20250822 to 6.32.1.20250918.
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requirements-lintrunner.txt

@@ -4,7 +4,7 @@ lintrunner-adapters>=0.12.3
 ruff==0.14.6
 # MYPY
 mypy==1.18.2
-types-protobuf==6.30.2.20250822
+types-protobuf==6.32.1.20250918
 # CLANG-FORMAT
 clang-format==21.1.6
 # EDITORCONFIG-CHECKER