D26060: Port to QRandomGenerator (qrand was deprecated in qt5.15)

[Laurent Montel]

mlaurent added a reviewer: dfaure.
mlaurent removed R243 KArchive as the repository for this revision.

REVISION DETAIL
  https://phabricator.kde.org/D26060

To: mlaurent, dfaure
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns