Merge topic 'revert-replace-cmsysprocess-with-cmuvprocesschain' with -s ours

Use the `-s ours` merge strategy to avoid actually reverting the
original changes inpost-3.28 development.

bcbb212df7 Revert use of libuv for process execution for 3.28

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !9176