Merge topic 'enh-CTest-SetOption-accepts-new-types'

8f52451682 Use new SetOption signatures
8d0ae460de cmCTestGenericHandler::SetOption accepts cmProp or std::string

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !6525