MetalFX iOS xcode16.0 b1

#MetalFX.framework https://github.com/xamarin/xamarin-macios/pull/21020

diff -ruN /Applications/Xcode_15.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalFX.framework/Headers/MTLFXTemporalScaler.h /Applications/Xcode_16.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalFX.framework/Headers/MTLFXTemporalScaler.h
--- /Applications/Xcode_15.4.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalFX.framework/Headers/MTLFXTemporalScaler.h	2024-04-13 15:00:50
+++ /Applications/Xcode_16.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MetalFX.framework/Headers/MTLFXTemporalScaler.h	2024-05-30 10:21:10
@@ -32,6 +32,13 @@
 // property on the scaler object.
 @property (readwrite, nonatomic, getter=isAutoExposureEnabled) BOOL autoExposureEnabled;
 
+// requiresSynchronousInitialization property, setting this to YES ensures
+// that the effect is fully created before first use, setting it to NO
+// allows the implementation to create an optimized version asynchronously, this
+// can cause the performance to be submoptimal while the optimized version is created.
+// Defaults to NO.
+@property (readwrite, nonatomic) BOOL requiresSynchronousInitialization;
+
 // Dynamic Resolution properties
 // Set inputContentPropertiesEnabled to YES to indicate using dynamic resolution
 // Scale value represents output resolution / input content resolution for either