VS2019 toolset "WindowsKernelModeDriver10.0" (which you need to select to build driver projects) seems to use the highest version of C++ toolset that VS2019 supports.
For now the highest version is 14.23 so only need to install
MSVC v142 - VS 2019 C++ x64/x86 Spectre-mitigated libs (v14.23)