feat: add owner and retention period columns to namespaces table - #3818

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: chromaui/action@c93e0bc3a63aa176e14a75b61a31847cbfdd341c. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/