Adopt PHPickerResultImageDataProvider to strict concurrency

Sources/General/ImageSource/PHPickerResultImageDataProvider.swift

@@ -28,7 +28,7 @@ import Foundation
 
 #if os(iOS) || os(macOS) || os(visionOS)
 
-import PhotosUI
+@preconcurrency import PhotosUI
 
 /// A data provider to provide image data from a given `PHPickerResult`.
 @available(iOS 14.0, macOS 13.0, *)
@@ -37,6 +37,8 @@ public struct PHPickerResultImageDataProvider: ImageDataProvider {
     /// The possible error might be caused by the `PHPickerResultImageDataProvider`.
     /// - invalidImage: The retrieved image is invalid.
     public enum PHPickerResultImageDataProviderError: Error {
+        /// An error happens during picking up image through the item provider of `PHPickerResult`.
+        case pickerProviderError(Error)
         /// The retrieved image is invalid.
         case invalidImage
     }
@@ -64,10 +66,10 @@ public struct PHPickerResultImageDataProvider: ImageDataProvider {
         self.contentType = contentType
     }
 
-    public func data(handler: @escaping (Result<Data, Error>) -> Void) {
+    public func data(handler: @escaping @Sendable (Result<Data, Error>) -> Void) {
         pickerResult.itemProvider.loadDataRepresentation(forTypeIdentifier: contentType.identifier) { data, error in
             if let error {
-                handler(.failure(error))
+                handler(.failure(PHPickerResultImageDataProviderError.pickerProviderError(error)))
                 return
             }