Fix make triton command on release branch (#121169)
Fixes #120044
Should fix build from source instructions on release branch here: https://github.com/pytorch/pytorch#from-source
Please note we are using /test/ channel for release here to make sure it works, before actual release is completed.
Test main:
```
make triton
pip3 uninstall -y triton
WARNING: Skipping triton as it is not installed.
Looking in indexes: https://download.pytorch.org/whl/nightly/
Collecting pytorch-triton==3.0.0+a9bc1a3647
Downloading https://download.pytorch.org/whl/nightly/pytorch_triton-3.0.0%2Ba9bc1a3647-cp310-cp310-linux_x86_64.whl (239.0 MB)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 239.0/239.0 MB 8.7 MB/s eta 0:00:00
Requirement already satisfied: filelock in /home/atalman/miniconda3/envs/py310/lib/python3.10/site-packages (from pytorch-triton==3.0.0+a9bc1a3647) (3.13.1)
Installing collected packages: pytorch-triton
Attempting uninstall: pytorch-triton
Found existing installation: pytorch-triton 2.2.0
Uninstalling pytorch-triton-2.2.0:
Successfully uninstalled pytorch-triton-2.2.0
Successfully installed pytorch-triton-3.0.0+a9bc1a3647
```
Test release/2.2:
```
make triton
pip3 uninstall -y triton
WARNING: Skipping triton as it is not installed.
Looking in indexes: https://download.pytorch.org/whl/test/
Collecting pytorch-triton==2.2.0
Using cached https://download.pytorch.org/whl/test/pytorch_triton-2.2.0-cp310-cp310-linux_x86_64.whl (183.1 MB)
Requirement already satisfied: filelock in /home/atalman/miniconda3/envs/py310/lib/python3.10/site-packages (from pytorch-triton==2.2.0) (3.13.1)
Installing collected packages: pytorch-triton
Attempting uninstall: pytorch-triton
Found existing installation: pytorch-triton 3.0.0+a9bc1a3647
Uninstalling pytorch-triton-3.0.0+a9bc1a3647:
Successfully uninstalled pytorch-triton-3.0.0+a9bc1a3647
Successfully installed pytorch-triton-2.2.0
```
Pull Request resolved: https://github.com/pytorch/pytorch/pull/121169
Approved by: https://github.com/seemethere