fix build visionOS

Author: noppefoxwolf

Package.swift

@@ -5,7 +5,10 @@ import PackageDescription
 
 let package = Package(
     name: "AnimatedImage",
-    platforms: [.iOS(.v16)],
+    platforms: [
+        .iOS(.v16),
+        .visionOS(.v1)
+    ],
     products: [
         .library(
             name: "AnimatedImage",

Sources/AnimatedImage/BaseClass/AnimatableCGImageView.swift

@@ -6,7 +6,7 @@ open class AnimatableCGImageView: CGImageView {
 
     public override init(frame: CGRect) {
         super.init(frame: frame)
-        if #available(iOS 18.0, *) {
+        if #available(iOS 18.0, visionOS 2.0, *) {
             updateLink = UIUpdateLink(view: self)
         } else {
             updateLink = BackportUpdateLink(view: self)