Add timelocked, quorum-approved WASM upgrade governance - #211

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, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

React Hook useEffect has an unnecessary dependency: 'sections.length'. Either exclude it or remove the dependency array. Outer scope values like 'sections.length' aren't valid dependencies because mutating them doesn't re-render the component