add OpInfo for `torch.argsort` (#65454)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/65454
Addresses facebookresearch/functorch#103.
Test Plan: Imported from OSS
Reviewed By: ezyang
Differential Revision: D31111700
Pulled By: zou3519
fbshipit-source-id: ec4babd2fcdcea856ba0ee8db0fd8f42b87269f3
