fix: fix column text in referral table

src/features/referral-codes/components/referral-codes-columns.tsx

@@ -51,7 +51,7 @@ export const referralCodesColumns: ColumnDef<Referralcode>[] = [
   {
     accessorKey: 'referral_code',
     header: ({ column }) => (
-      <DataTableColumnHeader column={column} title='کد تخفیف' />
+      <DataTableColumnHeader column={column} title='کد دعوت' />
     ),
     cell: ({ row }) => (
       <div className='max-w-36 ps-3'>{row.original.referral_code}</div>