kde5: update to 5.12.0
kde5: update to 5.12.0

Closes: #11428 [via git-merge-pr]

coredumb/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,coredumb/void-packages,NeoChontrix/void-packages,NeoChontrix/void-packages,coredumb/void-packages,necrophcodr/void-packages,necrophcodr/void-packages,coredumb/void-packages,coredumb/void-packages,NeoChontrix/void-packages,coredumb/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages,necrophcodr/void-packages,NeoChontrix/void-packages