[Task]: Uncomment ONNX tests once onnx support protobuf 4.x.x

[AnandInguva]

What needs to happen?

#24599 comments onnx code since ONNX doesn't support protobuf 4.x onnx/onnx#4239.

Uncomment the onnx tests once ONNX supports onnx/onnx#4239

Issue Priority

Priority: 3 (nice-to-have improvement)

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[AnandInguva]

Added this TODO in the code. please search for 25796 in Beam codebase to make changes.

[AnandInguva]

.add-labels run-inference

[AnandInguva]

.take-issue