REVERT: ab1842a2d rapidjson.h: add forgotten ppc64 case
REVERT: 5ec44fb92 Add RAPIDJSON_BUILD_CXX20 option
REVERT: 676d99db9 fix Visual Studio 2022 (using /std:c++20) warning warning C5232: in C++20 this comparison calls ... recursively
REVERT: 68afb4928 tests: Only run valgrind tests if valgrind was found
REVERT: 3f73edae0 Fix static_cast in regex.h
REVERT: 5a74efa8c Fix comparision of two doubles
REVERT: 060a09a1c Fix schema regex preprocessor include logic
REVERT: 6089180ec Use correct format for printf
git-subtree-dir: third_party/rapidjson
git-subtree-split: f9d53419e912910fd8fa57d5705fa41425428c35