Merge pull request #83 from alexanderjordanbaker/PurchsePlatformSendable

Make PurchasePlatform Sendable

Author: alexanderjordanbaker

Sources/AppStoreServerLibrary/Models/PurchasePlatform.swift

@@ -3,7 +3,7 @@
 ///Values that represent Apple platforms.
 ///
 ///[AppStore.Platform](https://developer.apple.com/documentation/storekit/appstore/platform)
-public enum PurchasePlatform: String, Decodable, Encodable, Hashable {
+public enum PurchasePlatform: String, Decodable, Encodable, Hashable, Sendable {
     case iOS = "iOS"
     case macOS = "macOS"
     case tvOS = "tvOS"