devel/cmake*: Update to 3.29.2

Qt5 support has been removed from devel/cmake-gui. The kde@ team
recommends migrating away from Qt5 and using Qt6 for individual
applications whenever possible.

Announcements:
https://www.kitware.com/cmake-3-29-0-available-for-download/
https://www.kitware.com/cmake-3-29-1-available-for-download/
https://www.kitware.com/cmake-3-29-2-available-for-download/

Release notes:
https://cmake.org/cmake/help/latest/release/3.29.html

PR: 278693
Exp-run by: antoine