suppress pydantic warnings for model_ fields (#2344) #8997

Job	Run time
test-setup	40s
base-tests	1m 17s
compat-pytorch-1_9-onnx-tests	5m 33s
compat-pytorch-1_9-pytorch-tests	8m 0s
deepsparse-tests	1m 10s
export-tests	13m 50s
onnx-tests	7m 4s
pytorch-tests	14m 46s
transformers-tests	29m 21s
	1h 21m 41s

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