Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, flatpak/flatpak-github-actions/flatpak-builder@v6.1, softprops/action-gh-release@v1. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

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/