[Network] Update bindings to Xcode 14.3 Beta 2

src/Network/NWEnums.cs

@@ -317,5 +317,7 @@ namespace Network {
 		Unknown = 0,
 		Bidirectional = 1,
 		Unidirectional = 2,
+		[Watch (9, 4), TV (16, 4), Mac (13, 3), iOS (16, 4), MacCatalyst (16, 4)]
+		Datagram = 3,
 	}
 }