Get auto_renew_status and auto_renew_product_id

### Platform
iOS

### In app purchase type
Auto-Renewable Subscription

### Issue summary
In the Receipt response from IAP server, there is "auto_renew_status" under "pending_renewal_info".

Please expose this item, so app can know if the the Subscription is still

https://developer.apple.com/library/archive/documentation/NetworkingInternet/Conceptual/StoreKitGuide/Chapters/Subscriptions.html

auto_renew_status | A Boolean value indicated by strings “true” or “false”. This is the same as the auto renew status in the receipt. See also Receipt Fields.
-- | --

auto_renew_product_id | This is the same as the Subscription Auto Renew Preference in the receipt. See alsoReceipt Fields.
-- | --