kingfisher update

Author: eren-bayrak

.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata

@@ -22,7 +22,7 @@ let package = Package(
             targets: ["ImageSlideshowKingfisher"])
     ],
     dependencies: [
-        .package(url: "https://github.com/onevcat/Kingfisher.git", from: "5.8.0"),
+        .package(url: "https://github.com/onevcat/Kingfisher.git", from: "7.9.1"),
         .package(url: "https://github.com/Alamofire/AlamofireImage.git", from: "4.0.0"),
         .package(url: "https://github.com/SDWebImage/SDWebImage.git", from: "5.1.0")
     ],