feat: update subscription plan text

src/features/users/components/users-columns.tsx

@@ -108,7 +108,7 @@ export const usersColumns: ColumnDef<User>[] = [
       <div className='text-nowrap'>
         {row.original.subscription?.plan
           ? `${row.original.subscription?.plan?.type} (${planDurations[row.original.subscription?.plan?.duration]})`
-          : '-'}
+          : 'رایگان'}
       </div>
     ),
   },