Update data build to policyengine-us 1.690.7

[MaxGhenis]

Summary

• bump the data-build runtime to policyengine-us 1.690.7
• keep the Modal pipeline fixes needed for the production build: serial final xw validation, canonical SQLite manifest identity, target-group handling for null/string domains, and safer H5 volume reload ordering

Tests

• uv run ruff check modal_app/pipeline.py modal_app/step_manifests/state.py policyengine_us_data/calibration/calibration_utils.py tests/unit/calibration/test_drop_target_groups.py validation/stage_1/test_xw_consistency.py
• uv run pytest tests/unit/calibration/test_drop_target_groups.py -q
• env -u UV_FROZEN uv lock --check