Merge topic 'ps1-executable-bits'

b5e5b88d ci: remove executable bits from `.ps1` scripts

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Acked-by: Christos Tsolakis <christos.tsolakis@kitware.com>
Merge-request: !111