Merge topic 'ctest-timeout-signal'

54c5654f7d ctest: Optionally terminate tests with a custom signal on timeout
e38c05688e CTest/cmProcess: Adopt field tracking reason for the process timeout
25c1468314 cmCTestTestHandler: Remove outdated comment
41e8507ab7 IWYU: Add mapping for bits/chrono.h to chrono

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !8472