Handle Info.plist lookup in versioned frameworks

[shirakaba]

About

This PR fixes the following error I encountered when autolinking a framework built for macOS (which I brought up on Discord):

The error indicates that it was unable to find Info.plist at the root of the framework. Indeed, it should have been looking elsewhere.

Details

iOS frameworks conventionally have this "unversioned" structure, where the Info.plist is placed at the root of the framework:

NativeScript.framework
├── Headers
│   └── NativeScript.h
├── Info.plist
├── NativeScript
└── _CodeSignature
    └── CodeResources

macOS frameworks conventionally have a "versioned" structure, where the Info.plist is instead nested at Versions/Current/Info.plist:

NativeScript.framework
├── Headers -> Versions/Current/Headers
├── NativeScript -> Versions/Current/NativeScript
├── Resources -> Versions/Current/Resources
└── Versions
    ├── 0.1.0
    │   ├── Headers
    │   │   └── NativeScript.h
    │   ├── NativeScript
    │   ├── Resources
    │   │   └── Info.plist
    │   └── _CodeSignature
    │       └── CodeResources
    └── Current -> 0.1.0

This PR first checks for an Info.plist at the root, then falls back to checking at the nested path.

[kraenhansen]

Absolutely beautiful! 💙 Thanks for lot for iterating on this 👍

The only thing I'm missing (not a blocker for merging, but it could be nice) are tests to ensure this doesn't regress 🙏

I've also added the "Apple" label to make the iOS test app run on any new commits to this branch.

[shirakaba]

Added tests!