[ONNX] Fix split export in opset13 (#56277) (#57605)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/57605
Fix split export in opset13
Test Plan: Imported from OSS
Reviewed By: malfet
Differential Revision: D28393522
Pulled By: SplitInfinity
fbshipit-source-id: 4de83345ec7bc9bafe778fe534d9a8760ce16ab3
Co-authored-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Co-authored-by: BowenBao <bowbao@microsoft.com>