[jiterator] sigmoid : complex dtypes (#73643)
Summary:
As per title
Relies on existing OpInfo tests from `test_ops.py` and `test_unary_ufuncs.py`
Pull Request resolved: https://github.com/pytorch/pytorch/pull/73643
Reviewed By: ezyang
Differential Revision: D34820927
Pulled By: anjali411
fbshipit-source-id: 41de2b7a59a1480b1b72b5a38c7e8b23efc3925a
(cherry picked from commit 473216fb13f8227fe8566a5a0ee343bd7a5c6e86)
