pytorch

1dbc8ad3 - Add `Warning` class and refactor C++ warnings to use it (#84101)

Add `Warning` class and refactor C++ warnings to use it (#84101) Also adds `TORCH_WARN_WITH` and `TORCH_WARN_DEPRECATION` macros Part of #72948 Pull Request resolved: https://github.com/pytorch/pytorch/pull/84101 Approved by: https://github.com/albanD