Bump version: 1.14.0->2.0.0 (#90491)
Except for the usual location, had to update the version in one of ONNX expect patterns, namely here: https://github.com/pytorch/pytorch/blob/43660051d804d8a11c4382d8a241c7eb5da77e27/test/onnx/expect/TestOperators.test_avg_pool2d.expect#L3
Pull Request resolved: https://github.com/pytorch/pytorch/pull/90491
Approved by: https://github.com/jansel, https://github.com/albanD
