curl --location --request PUT 'order/cart/item/<int:product_id>' \
--header 'Authorization: Bearer ' \
--header 'Content-Type: application/json' \
--data-raw '{
"product_id" : 1,
"quantity" : 100
}'{
"cart_item": {
"product_id": 1,
"quantity": 100
},
"message": "Cart item updated successfully",
"success": true
}