hit build error on vs2022

[ychding11]

error C4996: 'std::iterator<std::random_access_iterator_tag,internal::MaybeAddConst<Const,rapidjson::GenericMember<Encoding,Allocator>>::Type,ptrdiff_t,internal::MaybeAddConst<Const,rapidjson::GenericMember<Encoding,Allocator>>::Type*,internal::MaybeAddConst<Const,rapidjson::GenericMember<Encoding,Allocator>>::Type&>': warning STL4015: The std::iterator class template (used as a base class to provide typedefs) is deprecated in C++17. (The header is NOT deprecated.) The C++ Standard has never required user-defined iterators to derive from std::iterator. To fix this warning, stop deriving from std::iterator and start providing publicly accessible typedefs named iterator_category, value_type, difference_type, pointer, and reference. Note that value_type is required to be non-const, even for constant iterators. You can define _SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING or _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS to suppress this warning.

it shall use latest repidjson