Port to KF6
Several Framework libraries have switched to KF6 so we need to switch aswell to build against them.
Only after I had done everything I noticed !778 (merged) !803 (merged) oh well...
Several Framework libraries have switched to KF6 so we need to switch aswell to build against them.
Only after I had done everything I noticed !778 (merged) !803 (merged) oh well...