Merge topic 'swift-windows'

b2129a14f4 Tests: Fix SwiftMix tests' runtime library selection on Windows
4f49f7fc0b Tests: Fix SwiftOnly test on Windows
2dec0c0308 Tests: Fix RunCMake.Swift expected output on Windows
79f1f509b1 Tests: Fix RunCMake.Swift's build output checks

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Jeremy Day <jadaytime@gmail.com>
Merge-request: !9169