fix: Render py::handle same way as py::object

Author: sizmailov

include/pybind11/cast.h

@@ -906,6 +906,10 @@ struct handle_type_name<function> {
     static constexpr auto name = const_name("Callable");
 };
 template <>
+struct handle_type_name<handle> {
+    static constexpr auto name = handle_type_name<object>::name;
+};
+template <>
 struct handle_type_name<none> {
     static constexpr auto name = const_name("None");
 };