Switch Docker release to CUDA 11.7 (#94818)
Switch Docker release to CUDA 11.7
Remove `ptxas` installation logic as Trition is now bundled with ptxas
Successful run: https://github.com/pytorch/pytorch/actions/runs/4176843201/jobs/7233661196
Pull Request resolved: https://github.com/pytorch/pytorch/pull/94818
Approved by: https://github.com/malfet