Remove commit hash when building triton wheel and conda in release mode (#108203)
This is the follow-up of https://github.com/pytorch/pytorch/pull/108187 to set the correct release version without commit hash for triton wheel and conda binaries when building them in release mode.
### Testing
* With commit hash (nightly): https://github.com/pytorch/pytorch/actions/runs/6019021716
* Without commit hash https://github.com/pytorch/pytorch/actions/runs/6019378616 (by adding `--release` into the PR)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/108203
Approved by: https://github.com/atalman
