[PyTorch] Fix missing move in Argument ctor (#64821)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64821
Not moving adds excess refcounting overhead.
ghstack-source-id: 138304432
Test Plan: CI
Reviewed By: dhruvbird
Differential Revision: D30860720
fbshipit-source-id: de695e5cdfb1fa314b53a8bcb291343ae4eb87a5
