fix: [material] 부적합관리 Department 모델 경로 수정

- Departments\Department → Tenants\Department

app/Models/Materials/NonconformingReport.php

@@ -3,7 +3,7 @@
 namespace App\Models\Materials;
 
 use App\Models\Commons\File;
-use App\Models\Departments\Department;
+use App\Models\Tenants\Department;
 use App\Models\Items\Item;
 use App\Models\Orders\Order;
 use App\Models\Tenants\Approval;