The following actions uses Node.js version which is deprecated and will be forced to run on node20: actions/checkout@v3, flatpak/flatpak-github-actions/flatpak-builder@v6.1, softprops/action-gh-release@v1. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

The `set-output` command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/