add rocm 3.9 to nightly builds (#47121)
Summary:
Corresponding pytorch builder repo update: https://github.com/pytorch/builder/pull/561.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/47121
Reviewed By: samestep
Differential Revision: D24660850
Pulled By: walterddr
fbshipit-source-id: 68b22e0a2d341396eb1cdcfaa0a413ce7ad93ca3
