OpInfo: to_sparse (#59445)
Summary:
Reference: https://github.com/pytorch/pytorch/issues/54261
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59445
Reviewed By: ngimel
Differential Revision: D28920866
Pulled By: mruberry
fbshipit-source-id: ba8d3071d9937096288b69511000eeb007f53434
