chore(deps): npm audit fix (body-parser, brace-expansion, fast-uri, js-yaml, socket.io-parser transitives) - #734

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