WINDOWS BUILD FIX: bench_itemrepository: use std::shuffle instead of std::random_shuffle
According to https://en.cppreference.com/w/cpp/algorithm/random_shuffle std::random_shuffle has been removed in C++17 and actually was removed in MSVC now.
According to https://en.cppreference.com/w/cpp/algorithm/random_shuffle std::random_shuffle has been removed in C++17 and actually was removed in MSVC now.