Merge topic 'ci-wix'

cb1b2dc664 ci: Provide WiX 3 in PATH of jobs that need it
b71b6300e5 ci: Provide WiX 3 in versioned location
694f14f96f Tests: Teach CPackWiXGenerator to use WiX tools in PATH

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !9342