refactor(commands): Remove async driver option

- Remove the 'async' option from the '--driver' flag in the 'music' command
- Update the '--driver' flag options in the 'music' command to only include 'fork' and 'sequence'

Author: guanguans

app/Commands/MusicCommand.php

@@ -45,7 +45,7 @@ final class MusicCommand extends Command
      */
     protected $signature = 'music
                             {keyword? : Search keyword for music}
-                            {--driver=sequence : Specify the search driver(async、fork、sequence)}
+                            {--driver=sequence : Specify the search driver(fork、sequence)}
                             {--d|dir= : Specify the download directory}
                             {--no-continue : Specify whether to recall the command after the download is complete}
                             {--sources=* : Specify the music sources(tencent、netease、kugou)}

app/Music/AsyncMusic.php

@@ -29,7 +29,6 @@
         "laravel/prompts": "^0.1",
         "metowolf/meting": "^1.5",
         "phpunit/php-timer": "^6.0",
-        "spatie/async": "^1.6",
         "spatie/fork": "^1.2",
         "symfony/polyfill-php83": "^1.28"
     },