Feature Request: visionOS support

### Checklist before submitting a feature request

- [X] I've updated to the latest released version of the SDK
- [X] I've searched for existing [Github issues](https://github.com/facebook/facebook-ios-sdk/issues)
- [X] I've read the [Code of Conduct](https://github.com/facebook/facebook-ios-sdk/blob/main/CODE_OF_CONDUCT.md)

### Goals

I would like to be able to run my app on VisionOS, but it's missing support in Package.swift (Swift Package Manager).

### Expected results

The library should be compilable / run under visionOS