Merge topic 'intel-oneapi-std-windows' into release-3.21

a82af0e2ce Merge branch 'backport-3.20-intel-oneapi-std-windows'
1c227583a4 Tests: Fix RunCMake.try_compile C/CXX standards with IntelLLVM MSVC mode
1c14691a86 CMakeCCompilerId: Fix C standard detection in Clang and IntelLLVM MSVC mode
6eea123e3a Tests: Fix RunCMake.try_compile C/CXX standards with IntelLLVM MSVC mode

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !6328