Increase deployment target to iOS 17 (#189)

* Increase deployment target to iOS 17

* Make EditorConfiguration sendable

Author: kean

Package.swift

@@ -5,7 +5,7 @@ import PackageDescription
 
 let package = Package(
     name: "GutenbergKit",
-    platforms: [.iOS(.v15), .macOS(.v14)],
+    platforms: [.iOS(.v17), .macOS(.v14)],
     products: [
         .library(name: "GutenbergKit", targets: ["GutenbergKit"])
     ],

ios/Demo-iOS/Gutenberg.xcodeproj/project.pbxproj

@@ -309,6 +309,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -340,6 +341,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",

ios/Demo-iOS/Sources/EditorView.swift

@@ -91,10 +91,7 @@ private struct _EditorView: UIViewControllerRepresentable {
     func makeUIViewController(context: Context) -> EditorViewController {
         let viewController = EditorViewController(configuration: configuration)
         viewController.delegate = context.coordinator
-
-        if #available(iOS 16.4, *) {
-            viewController.webView.isInspectable = true
-        }
+        viewController.webView.isInspectable = true
         viewController.startEditorSetup()
         return viewController
     }

ios/Sources/GutenbergKit/Sources/EditorConfiguration.swift

@@ -1,6 +1,6 @@
 import Foundation
 
-public struct EditorConfiguration {
+public struct EditorConfiguration: Sendable {
     /// Initial title for populating the editor
     public let title: String
     /// Initial content for populating the editor