ClassKit iOS xcode13.2 b1

#ClassKit.framework https://github.com/xamarin/xamarin-macios/pull/13497

diff -ruN /Applications/Xcode_13.1.0-rc.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h /Applications/Xcode_13.2.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h
--- /Applications/Xcode_13.1.0-rc.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h	2021-09-09 16:50:23.000000000 -0400
+++ /Applications/Xcode_13.2.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/ClassKit.framework/Headers/CLSDefines.h	2021-10-22 20:14:48.000000000 -0400
@@ -38,6 +38,7 @@
  @constant  CLSErrorCodeInvalidCreate                Attempted to save new object that already exists in the data store.
  @constant  CLSErrorCodeInvalidUpdate                Failed to save updated object in the data store.
  @constant  CLSErrorCodePartialFailure               Returned if an operation resulted in a mix of successes and failures.
+ @constant  CLSErrorCodeInvalidAccountCredentials    Returned if an operation failed because the user MAID account credentials are invalid.
  */
 typedef NS_ERROR_ENUM(CLSErrorCodeDomain, CLSErrorCode) {
     CLSErrorCodeNone = 0,
@@ -49,7 +50,8 @@
     CLSErrorCodeLimits,
     CLSErrorCodeInvalidCreate,
     CLSErrorCodeInvalidUpdate,
-    CLSErrorCodePartialFailure
+    CLSErrorCodePartialFailure,
+    CLSErrorCodeInvalidAccountCredentials API_AVAILABLE(ios(15.1), macos(12.0), macCatalyst(15.1)) API_UNAVAILABLE(watchos, tvos)
 } API_AVAILABLE(ios(11.3), macos(11.0), macCatalyst(14.0)) API_UNAVAILABLE(watchos, tvos);
 
 typedef NSString * CLSErrorUserInfoKey NS_EXTENSIBLE_STRING_ENUM API_AVAILABLE(ios(11.3), macos(11.0), macCatalyst(14.0)) API_UNAVAILABLE(watchos, tvos);