[Docker] Install Trition deps (#90841)
Triton needs a working gcc, so install one from apt
Also, copy `ptxas` and `cuda.h` from conda to `/usr/local/cuda`
Add `torchaudio` to the matrix
Fix typo in workflow file
Fixes https://github.com/pytorch/pytorch/issues/90377
Pull Request resolved: https://github.com/pytorch/pytorch/pull/90841
Approved by: https://github.com/ngimel
