[ONNX] Support opset13 Squeeze and Unsqueeze (#50150) (#50906)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/50906
In opset 13, squeeze/unsqueeze is updated to take axes as input, instead of attribute.
Test Plan: Imported from OSS
Reviewed By: pbelevich
Differential Revision: D26050883
Pulled By: SplitInfinity
fbshipit-source-id: 7b5faf0e016d476bc75cbf2bfee6918d77e8aecd
