Merge topic 'ci-windows' 3d4073b129 gitlab-ci: Try upstream ninja development branch in a Windows nightly job bbb2664547 gitlab-ci: Add wix, cmake, and ninja to PATH incrementally on Windows 658009b6fe ci: Fix vcvarsall.ps1 environment variable lookup Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !6732