Version 12.10.0

### 12.10.0
-   Changes
    - General: Update to Firebase C++ SDK version 12.8.0.
    - General (iOS): Update to Firebase Cocoapods version 11.14.0.
    - General (iOS, tvOS, Desktop): iOS, tvOS, and macOS SDKs are now built using Xcode 16.2.
    - General (Android): Fix a crash with 16 KB page sizes.
      ([#1259](https://github.com/firebase/firebase-unity-sdk/issues/1259)).
    - Messaging (Android): Fix issue with `SubscribeAsync` task not completing when
      a cached token is available.
      ([#1245](https://github.com/firebase/firebase-unity-sdk/issues/1245)).
    - Messaging (Android): Fix issue with missing theme causing a crash on Unity 6.
      ([#1229](https://github.com/firebase/firebase-unity-sdk/issues/1229))