Merge topic 'import-cppdap'

4a84f71049 ci: Provide cppdap in extdeps jobs
5ec69eb58c cppdap: Build as part of CMake or use external installation
3381e6bd5c Merge branch 'upstream-cppdap' into import-cppdap
1daeefc378 cppdap 2023-05-26 (03cc1867)
bd58bc7817 cppdap: Add script to import version as of 2023-05-25
172045b53b jsoncpp: Add cm3p/ headers for json/json.h and json/forwards.h

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Acked-by: Alex <leha-bot@yandex.ru>
Merge-request: !8342