[xcode26.2] Update GameKit bindings to Xcode 26.2 Beta 2 (#24302)

Author: dalexsoto

src/gamekit.cs

@@ -1138,6 +1138,10 @@ interface GKLocalPlayer
 		[Export ("presentFriendRequestCreatorFromWindow:error:")]
 		bool PresentFriendRequestCreator ([NullAllowed] NSWindow window, [NullAllowed] out NSError error);
 
+		[Deprecated (PlatformName.iOS, 26, 2, message: "No longer supported.")]
+		[Deprecated (PlatformName.MacOSX, 26, 2, message: "No longer supported.")]
+		[Deprecated (PlatformName.TvOS, 26, 2, message: "No longer supported.")]
+		[Deprecated (PlatformName.MacCatalyst, 26, 2, message: "No longer supported.")]
 		[MacCatalyst (13, 1)]
 		[Export ("loadDefaultLeaderboardIdentifierWithCompletionHandler:")]
 		[Async (XmlDocs = """
@@ -1149,6 +1153,10 @@ interface GKLocalPlayer
 			""")]
 		void LoadDefaultLeaderboardIdentifier ([NullAllowed] Action<string, NSError> completionHandler);
 
+		[Deprecated (PlatformName.iOS, 26, 2, message: "No longer supported.")]
+		[Deprecated (PlatformName.MacOSX, 26, 2, message: "No longer supported.")]
+		[Deprecated (PlatformName.TvOS, 26, 2, message: "No longer supported.")]
+		[Deprecated (PlatformName.MacCatalyst, 26, 2, message: "No longer supported.")]
 		[MacCatalyst (13, 1)]
 		[Export ("setDefaultLeaderboardIdentifier:completionHandler:")]
 		[Async (XmlDocs = """
@@ -4247,6 +4255,10 @@ interface GKAccessPoint {
 		[MacCatalyst (26, 0), NoTV, Mac (26, 0), iOS (26, 0)]
 		[Export ("triggerAccessPointForFriendingWithHandler:")]
 		void TriggerAccessPointForFriending ([NullAllowed] Action handler);
+
+		[NoTV, Mac (26, 2), iOS (26, 2), MacCatalyst (26, 2)]
+		[Export ("triggerAccessPointForArcadeWithHandler:")]
+		void TriggerAccessPointForArcade ([NullAllowed] Action handler);
 	}
 
 	[TV (14, 0), iOS (14, 0)]