Support Offer Code Redemption on macOS

[AvdLee]

Offer code redemption is now available on macOS, but the SDK does not seem to support it yet.

[RCGitBot]

👀 We've just linked this issue to our internal tracker and notified the team. Thank you for reporting, we're checking this out!

[fire-at-will]

Hey @AvdLee, thanks for filing the issue! As luck would have it, we're going to be working on this soon. I'll let you know when we have something to share! 😄

[KptnTanyel]

On the similar note, with iOS 16 Apple introduced an offer code redemption sheet with a completion block.
https://developer.apple.com/documentation/swiftui/view/offercoderedemption(ispresented:oncompletion:)

The currently implemented one (https://developer.apple.com/documentation/storekit/skpaymentqueue/3566726-presentcoderedemptionsheet) has been deprecated.