react-native-track-player: Enum cases with associated values cannot be marked potentially unavailable

Dear,

With the introduction with iOS 15 and Xcode 13, I have discovered a bug. I can no longer compile an app for iOS 15. The problem is in react-native-track-player/Vendor/SwiftAudio/Classes/NowPlayingInfoController/NowPlayingInfoProperty/NowPlayingInfoProperty

The problem is with the following code:

`public enum NowPlayingInfoProperty: NowPlayingInfoKeyValue {

/**
 The identifier of the collection the now playing item belongs to.
 The identifier can be an album, artist, playlist, etc.
 */
case collectionIdentifier(String?)

/**
 The available language option groups for the now playing item.
 Value is an array of MPNowPlayingInfoLanguageOptionGroup items. Only one language option in a given group can be played at a time.
 */
case availableLanguageOptions([MPNowPlayingInfoLanguageOptionGroup]?)

/**
 The URL pointing to the now playing item's underlying asset.
 This constant is used by the system UI when video thumbnails or audio waveform visualizations are applicable.
 */
@available(iOS 10.3, *)
case assetUrl(URL?)`

Resulting in: Enum cases with associated values cannot be marked potentially unavailable (@available(iOS 10.3, *))

I use react-native-track-player 1.2.7. Any solutions?