[AuthenticationServices] Update bindings to Xcode 26.1 Beta 3 (#24119)

Author: dalexsoto

src/authenticationservices.cs

@@ -2384,6 +2384,11 @@ interface ASAuthorizationWebBrowserPlatformPublicKeyCredential {
 	[DesignatedDefaultCtor]
 	interface ASAuthorizationWebBrowserPublicKeyCredentialManager {
 
+		[Mac (26, 1), iOS (26, 1), MacCatalyst (26, 1)]
+		[Static]
+		[Export ("isDeviceConfiguredForPasskeys")]
+		bool IsDeviceConfiguredForPasskeys { get; }
+
 		[Async]
 		[Export ("requestAuthorizationForPublicKeyCredentials:")]
 		void RequestAuthorization (Action<ASAuthorizationWebBrowserPublicKeyCredentialManagerAuthorizationState> completionHandler);

tests/cecil-tests/Documentation.KnownFailures.txt

@@ -18743,6 +18743,7 @@ P:AuthenticationServices.ASAuthorizationWebBrowserPlatformPublicKeyCredential.Pr
 P:AuthenticationServices.ASAuthorizationWebBrowserPlatformPublicKeyCredential.RelyingParty
 P:AuthenticationServices.ASAuthorizationWebBrowserPlatformPublicKeyCredential.UserHandle
 P:AuthenticationServices.ASAuthorizationWebBrowserPublicKeyCredentialManager.AuthorizationStateForPlatformCredentials
+P:AuthenticationServices.ASAuthorizationWebBrowserPublicKeyCredentialManager.IsDeviceConfiguredForPasskeys
 P:AuthenticationServices.ASOneTimeCodeCredential.Code
 P:AuthenticationServices.ASOneTimeCodeCredentialIdentity.Label
 P:AuthenticationServices.ASOneTimeCodeCredentialIdentity.Rank