Export OnyxUpdate type

Author: fabioh8010

lib/Onyx.d.ts

@@ -312,3 +312,4 @@ declare const Onyx: {
 };
 
 export default Onyx;
+export {OnyxUpdate};

lib/index.d.ts

@@ -1,6 +1,6 @@
-import Onyx from './Onyx';
+import Onyx, {OnyxUpdate} from './Onyx';
 import {CustomTypeOptions, OnyxCollection, OnyxEntry} from './types';
 import withOnyx from './withOnyx';
 
 export default Onyx;
-export {CustomTypeOptions, OnyxCollection, OnyxEntry, withOnyx};
+export {CustomTypeOptions, OnyxCollection, OnyxEntry, OnyxUpdate, withOnyx};