onnxruntime

c6732c07 - pin protobuf version to be compatible with onnx (#12132)

pin protobuf version to be compatible with onnx (#12132) Co-authored-by: Ashwini Khade <askhade@microsoft.com@orttrainingdev10.d32nl1ml4oruzj4qz3bqlggovf.px.internal.cloudapp.net>