Merge topic 'update-kwsys' 77ea15b797 Tests: Add case covering `cmake -E env` with empty environment variable 209dfc51d3 Merge branch 'upstream-KWSys' into update-kwsys 92a7104600 KWSys 2025-10-08 (3bae03fe) Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !11288