Install pff in CI

Signed-off-by: erman-gurses <[email protected]>

.github/workflows/ci.yaml

@@ -50,6 +50,7 @@ jobs:
           pip install --no-compile -r pytorch-cpu-requirements.txt
           pip install --no-cache-dir -r iree-requirements-ci.txt
           pip install -r requirements.txt -e .
+          pip install parametrize-from-file
 
       - name: Run unit tests
         if: ${{ !cancelled() }}