[duckdb-labs bot] Bump DuckDB submodule (#401)

Bump duckdb submodule:
- Target branch: v1.4-andium
- Date: 2026-03-26 06:44:31
- DuckDB SHA: ddbb5e2e4c5f139dc5f58583a078b26f3fc54325
- Trigger:
https://github.com/duckdb/duckdb-python/actions/runs/23580524623

Author: evertlammerts