Proposal: Define namespaces in yaml - #867

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8, docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051, docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f, pnpm/action-setup@41ff72655975bd51cab0327fa583b6e92b6d3061. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/