upgrade to new versions

app/Models/CarShowCategory.php

@@ -9,19 +9,19 @@ class CarShowCategory extends Model
   protected $table = 'car_show_categories';
   protected static ?string $recordTitleAttribute = 'category_name';
 
-  protected $casts = [
-    'vehicle_type' => 'boolean',
-  ];
-
   protected $fillable = [
   'category_name',
   'vehicle_type'
   ];
 
-  protected $dates = [
-  'created_at',
-  'updated_at'
-  ];
+  protected function casts(): array
+  {
+      return [
+          'vehicle_type' => 'boolean',
+          'created_at' => 'datetime',
+          'updated_at' => 'datetime',
+      ];
+  }
  
   public function vehicle()
   {