Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: ethersphere/swarm-actions/reference-to-cid@latest, ethersphere/swarm-actions/upload-dir-experimental@latest, ethersphere/swarm-actions/write-feed@latest. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/