fix: 상품 옵션에 key prop이 누락된 부분 수정

Author: MU-Software

apps/pyconkr/src/debug/page/shop_component/product.tsx

@@ -160,6 +160,7 @@ const ShopProductItem: React.FC<{
                 <Stack spacing={2}>
                   {product.option_groups.map((group) => (
                     <Shop.Components.OptionGroupInput
+                      key={group.id}
                       optionGroup={group}
                       options={group.options}
                       defaultValue={group?.options[0]?.id || ""}