Merge pull request #897 from acoates-ms/notnull64

Port #896 to 0.64

Author: acoates-ms

React/Base/RCTJSInvokerModule.h

@@ -12,6 +12,6 @@
 @protocol RCTJSInvokerModule
 
 @property (nonatomic, copy, nonnull) void (^invokeJS)(NSString * _Nullable module, NSString * _Nullable method, NSArray * _Nullable args); // TODO(macOS GH#774)
-@property (nonatomic, copy) void (^invokeJSWithModuleDotMethod)(NSString * _Nullable moduleDotMethod, NSArray * _Nullable args); // TODO(macOS GH#774)
+@property (nonatomic, copy, nonnull) void (^invokeJSWithModuleDotMethod)(NSString * _Nullable moduleDotMethod, NSArray * _Nullable args); // TODO(macOS GH#774)
 
 @end