Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683, actions/setup-node@5e21ff4d9bc1a8cf6de233a3057d20ec6b3fb69d, akhileshns/heroku-deploy@e3eb99d45a8e2ec5dca08735e089607befa4bf28. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/