Fix for MSVC compile

Without adding /Zc:__cplusplus msvc wont check that values while compile
2 jobs for master in 11 minutes and 3 seconds (queued for 11 minutes and 7 seconds)
Status Name Job ID Coverage
  Build
passed build_clazy_clang_tidy #101405

00:07:32

passed linux kf5-qt5 qt5.15 #101404

00:03:30

12.0%