Upgrade to Laravel 9 (#4413)

Co-authored-by: DaneEveritt <dane@daneeveritt.com>

app/Contracts/Repository/EggRepositoryInterface.php

@@ -1,11 +1,4 @@
 <?php
-/**
- * Pterodactyl - Panel
- * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
- *
- * This software is licensed under the terms of the MIT license.
- * https://opensource.org/licenses/MIT
- */
 
 namespace Pterodactyl\Contracts\Repository;
 
@@ -28,13 +21,11 @@ interface EggRepositoryInterface extends RepositoryInterface
 
     /**
      * Return an egg with the scriptFrom and configFrom relations loaded onto the model.
-     *
-     * @param int|string $value
      */
-    public function getWithCopyAttributes($value, string $column = 'id'): Egg;
+    public function getWithCopyAttributes(int|string $value, string $column = 'id'): Egg;
 
     /**
-     * Return all of the data needed to export a service.
+     * Return all the data needed to export a service.
      *
      * @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
      */