fix setup.py to use extra index url

install torch for tests
fix cuda version for autogptq index
set torch in requirements so that it installs properly
move gptq install around to work with github cicd

.github/workflows/tests.yml

@@ -24,6 +24,7 @@ jobs:
 
       - name: Install dependencies
         run: |
+          pip install torch==2.0.1 --extra-index-url https://download.pytorch.org/whl/cu118
           pip install -e .
           pip install -r requirements-tests.txt