Move the engine pin to 23221edf and follow its Context and stability changes - #761

Process completed with exit code 1.

This pull request moves the DuckDB submodule pin (71f47d410f6acceabd4c0d1329ed0f7b2f315f93 -> 23221edfd5777930f12b996a39992d91c02e1163). If that is intended, add the 'submodule-bump' label and re-run. If it is not, reset it with: git checkout origin/main -- external/duckdb

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/