KTechLab git master doesn't depend on deprecated Qt5/KF5 API anymore

Initially posted at Sat, 19 Sep 2020 14:00:00 +0000

KTechLab git master doesn’t depend anymore on deprecated Qt5/KF5 APIs. Thank you for everybody who made this possible!

Using only up-to-date APIs should help with long-term maintenance of KTechLab and probably it helps distributors of KTechLab, too.