Fix type_info.h includes

Author: StarryWorm

core/variant/type_info.h

@@ -30,8 +30,10 @@
 
 #pragma once
 
+#include "core/object/object.h"
 #include "core/templates/simple_type.h"
 #include "core/typedefs.h"
+#include "core/variant/variant.h"
 
 #include <type_traits>