Install torch for CI

Author: fabioferreira

.github/workflows/ci.yml

@@ -29,6 +29,7 @@ jobs:
         run: |
           python -m pip install --upgrade pip wheel
           python -m pip install -r requirements.txt
+          python -m pip install torch
           python -m pip install --break-system-packages -e .
 
       - name: Run estimator tests