Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/upload-artifact@v4, game-ci/unity-builder@v4, webfactory/ssh-agent@v0.8.0. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Library folder does not exist. Consider setting up caching to speed up your workflow, if this is not your first build.