CUDA 11.6 workflows (#75518)
Summary:
Adding CUDA 11.6 workflows .
Please note we still depend on conda-forge for cuda 11.6.
Issue created to remove conda-forge dependency: [75532](https://github.com/pytorch/pytorch/issues/75532)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/75518
Reviewed By: janeyx99
Differential Revision: D35516057
Pulled By: atalman
fbshipit-source-id: 44a3a0f8954d98adca2280b2e9f203267ebe98cd
(cherry picked from commit 97a4e52ecee8540453e2871714275796dc1c4abb)
