Merge topic 'cxxmodules-no-compile-commands-modmap'

eebf239d9c Merge branch 'cxxmodules-no-compile-commands-modmap-release' into cxxmodules-no-compile-commands-modmap
73fbad3d93 cmNinjaTargetGenerator: use scan flag for modmap usage in exported commands

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !9100