Update module version to 5.2.0
Update module version to 5.2.0

Change-Id: I6faf0853c52cd7cbedb1a7f046961fd350e0aea5
Reviewed-by: David Faure (KDE) <86a8c136eda381b2295095fae2f365917f1ca4ea@kde.org>

kobolabs/qtx11extras,kobolabs/qtx11extras