Update laravel framework from 9 to 11, removed some old packages

app/Models/Service/Broadband.php

@@ -20,9 +20,9 @@ class Broadband extends Type implements ServiceUsage
 {
 	private const LOGKEY = 'MSB';
 
-	protected $dates = [
-		'connect_at',
-		'expire_at',
+	protected $casts = [
+		'connect_at'=>'datetime:Y-m-d',
+		'expire_at'=>'datetime:Y-m-d',
 	];
 	protected $table = 'service_broadband';