Add util to close db connections - #8626

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: Wandalen/wretry.action@v3.8.0_js_action. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/