Add pytables dependency for HDF5 support

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: vahid-ahmadi

.github/workflows/generate-data.yml

@@ -31,7 +31,7 @@ jobs:
           HUGGING_FACE_TOKEN: ${{ secrets.HUGGING_FACE_TOKEN }}
         run: |
           uv venv
-          uv pip install policyengine-uk pandas numpy h5py
+          uv pip install policyengine-uk pandas numpy h5py tables
 
       - name: Generate dashboard data
         env: