Merge topic 'cmake-E-tar-touch'

0b7fd783f8 cmake -E tar: Add --touch option
f692cba34b Tests: Add test for 'cmake -E tar --mtime' option

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !7061