fix multiline command

Author: bhimrazy

.lightning/workflows/pytorch.yml

@@ -124,7 +124,7 @@ run: |
 
   # Use find-links to prefer CUDA-specific packages from PyTorch index
   uv pip install -e ".[${extra}dev]" --upgrade \
-    --find-links="https://download.pytorch.org/whl/${UV_TORCH_BACKEND}"
+    --find-links="https://download.pytorch.org/whl/${UV_TORCH_BACKEND}" \
     --find-links="https://download.pytorch.org/whl/${UV_TORCH_BACKEND}/torch-tensorrt"
   uv pip list