Upgrade to Laravel 9 (#4413)

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

app/Models/Backup.php

@@ -3,6 +3,7 @@
 namespace Pterodactyl\Models;
 
 use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 /**
  * @property int $id
@@ -32,19 +33,10 @@ class Backup extends Model
     public const ADAPTER_WINGS = 'wings';
     public const ADAPTER_AWS_S3 = 's3';
 
-    /**
-     * @var string
-     */
     protected $table = 'backups';
 
-    /**
-     * @var bool
-     */
-    protected $immutableDates = true;
+    protected bool $immutableDates = true;
 
-    /**
-     * @var array
-     */
     protected $casts = [
         'id' => 'int',
         'is_successful' => 'bool',
@@ -53,16 +45,10 @@ class Backup extends Model
         'bytes' => 'int',
     ];
 
-    /**
-     * @var array
-     */
     protected $dates = [
         'completed_at',
     ];
 
-    /**
-     * @var array
-     */
     protected $attributes = [
         'is_successful' => false,
         'is_locked' => false,
@@ -71,15 +57,9 @@ class Backup extends Model
         'upload_id' => null,
     ];
 
-    /**
-     * @var string[]
-     */
     protected $guarded = ['id', 'created_at', 'updated_at', 'deleted_at'];
 
-    /**
-     * @var array
-     */
-    public static $validationRules = [
+    public static array $validationRules = [
         'server_id' => 'bail|required|numeric|exists:servers,id',
         'uuid' => 'required|uuid',
         'is_successful' => 'boolean',
@@ -92,10 +72,7 @@ class Backup extends Model
         'upload_id' => 'nullable|string',
     ];
 
-    /**
-     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
-     */
-    public function server()
+    public function server(): BelongsTo
     {
         return $this->belongsTo(Server::class);
     }