feat(react-storybook-addon-playground): add published package scaffold - #36741

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: nrwl/nx-set-shas@826660b82addbef3abff5fa871492ebad618c9e1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/