Run upgrade script...
Notice: Before running the upgrade commands, please clone your Laravel project to a new directory to avoid affecting your original project. Run the following commands in the new project directory!
$ curl -s "https://laravel-up.vercel.app/up/v11.0.0...v12.9.0" | bash
$ curl -s "https://laravel-up.vercel.app/up/v11.0.0...v12.9.0/2" | bash
$ curl -s "https://laravel-up.vercel.app/up/v11.0.0...v12.9.0/3" | bash