fix ci by forcing CPU version of torch at runtime

Author: Aethor

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Install dependencies
         run: uv sync --dev --extra cpu
       - name: Run tests
-        run: uv run pytest tests
+        run: uv run --extra cpu pytest tests
       - name: Build documentation
         run: |
           source .venv/bin/activate