Specify providers explicitly in ORT session initialization (#15235)

* Specify providers explicitly in ORT session initialization
Co-authored-by: Ubuntu <wy@linux-v100.aidmrjtolptuzevavgwhrapqcd.jx.internal.cloudapp.net>

src/transformers/onnx/convert.py

@@ -164,7 +164,7 @@ def validate_model_outputs(
 
     # Create ONNX Runtime session
     options = SessionOptions()
-    session = InferenceSession(onnx_model.as_posix(), options)
+    session = InferenceSession(onnx_model.as_posix(), options, providers=["CPUExecutionProvider"])
 
     # Compute outputs from the reference model
     ref_outputs = reference_model(**reference_model_inputs)