Use versionless Qt cmake target

This makes it easier to build against both Qt5 and Qt6

GIT_SILENT

kconf_update/CMakeLists.txt

@@ -7,7 +7,7 @@ target_sources(gtk_theme
 
 target_link_libraries(gtk_theme
   PRIVATE
-    Qt5::Core
+    Qt::Core
     KF5::ConfigCore
     KF5::ConfigWidgets
     KF5::GuiAddons

kded/CMakeLists.txt

@@ -25,8 +25,8 @@ target_link_libraries(gtkconfig
   PRIVATE
     KWinBridge
   PUBLIC
-    Qt5::DBus
-    Qt5::Svg
+    Qt::DBus
+    Qt::Svg
     KF5::CoreAddons
     KF5::ConfigCore
     KF5::ConfigWidgets

kded/kwin_bridge/CMakeLists.txt

@@ -14,5 +14,5 @@ target_link_libraries(KWinBridge
   PRIVATE
     KDecoration2::KDecoration2Private
     KF5::ConfigWidgets
-    Qt5::Svg
+    Qt::Svg
 )