Changes to GET /v2/customers/:merchant_id/available_rewards

removed 'propertyNames' constraint from the rewards/items/oneOf[subschema #2: Product (cart)]/content response property for the status 200

removed 'propertyNames' constraint from the rewards/items/oneOf[subschema #9: Product (voucher)]/content response property for the status 200

added the optional property error/code to the response with the 401 status

added the optional property error/code to the response with the 403 status

added the optional property rewards/items/oneOf[subschema #2: Product (cart)]/content/featured_image_url to the response with the 200 status

added the optional property rewards/items/oneOf[subschema #6: Custom Reward]/content/featured_image_url to the response with the 200 status

added the optional property rewards/items/oneOf[subschema #9: Product (voucher)]/content/featured_image_url to the response with the 200 status

added active_subscription_discount_voucher product_cart cart_discount_voucher checkout_redemption collection_discount_voucher custom free_shipping_voucher gift_card product_discount_voucher subscription_buy_with_points discriminator mapping keys to the rewards/items response property for the response status 200

added cost quantity discriminator mapping keys to the rewards/items/oneOf[subschema #2: Product (cart)]/minimum_requirements/anyOf[subschema #1] response property for the response status 200

added the required property rewards/items/oneOf[subschema #4: Checkout Redemption Reward]/fixed_redemption_amount_min_spends to the response with the 200 status