Nuke Files

This release contains major improvements to the Structured Concurrency support and ImagePipeline internals.

• Add previews: AsyncStream<ImageResponse>, progress: AsyncStream<Progress>, image: PlatformImage async and response: ImageResponse async directly to ImageTask and deprecate AsyncImageTask. These APIs have zero cost unless you use them.
• Add ImageTask.Event and add events: AsyncStream<Event> to ImageTask for observing all events associated with the image loading.
• Improve the support for AsyncStream: a new stream is created every time you access the respective property to make it easier to have multiple consumers.
• Add ImagePipelineDelegate/imageTask(:didReceiveEvent:pipeline:) and deprecate the previous methods it replaced (context: these methods were introduced in Nuke 11.0 as the initial and misguided attempt at Structured Concurrency support that tried to borrow from the URLSession API design)
• (Internal) Rework ImagePipeline that accumulated a lot of cruft after the introduction of data tasks, Combine, Async/Await, and AsyncStream support in the previous releases.
• Deprecate ImagePipeline/loadData(with:) and ImagePipeline/data(with:) methods that accept URL as parameters – use the ImageRequest variants instead (these are rarely used and low-level APIs that don't require convenience variants)
• Remove @discardableResult from ImagePipeline/data(with:) async throws – it was never meant to be there
• Rename ImageTask/progress to ImageTask/currentProgress (warning: this is a small breaking change in the API)
• Fix some of the Strict Concurrency Checking & Swift 6 warnings preparing for the upcoming Swift releases
• Fix documentation for AsyncImageTask/previews that was previously specifying that it was delivering the previews and the final image – it's only the previews.
• Fix https://github.com/kean/Nuke/issues/782, an issue with grayscale images (8 bpp) not being rendered correctly when Resize processor is used