[boost] FYI: recent VS2022 17.10.x gives "Boost toolset is unknown (compiler MSVC 19.40.33808.0)" warning - due to Microsoft changing of the toolset version

...using Boost only CMake configure The MSVC toolset will increment its minor version number from|19.39|(VS 2022 v17.9) to|19.40|(VS 2022 v17.10). https://devblogs.microsoft.com/cppblog/msvc-toolset-minor-version-number-14-... is still useable - did not check if building boost is a problem