Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: flatpak/flatpak-github-actions/flatpak-builder@92ae9851ad316786193b1fd3f40c4b51eb5cb101. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/