fix: use versionless QML imports

Author: luisbocanegra

package/contents/config/config.qml

@@ -1,5 +1,5 @@
-import QtQuick 2.0
-import org.kde.plasma.configuration 2.0
+import QtQuick
+import org.kde.plasma.configuration
 
 ConfigModel {
     ConfigCategory {

package/contents/ui/components/ProcessMonitorFallback.qml

@@ -1,5 +1,5 @@
 import QtQuick
-import QtWebSockets 1.9
+import QtWebSockets
 import "../code/utils.js" as Utils
 
 Item {

package/contents/ui/components/ProcessMonitorPrimary.qml

@@ -1,5 +1,5 @@
 import QtQuick
-import com.github.luisbocanegra.audiovisualizer.process 1.0
+import com.github.luisbocanegra.audiovisualizer.process
 
 Item {
     id: root

package/contents/ui/components/Visualizer.qml

@@ -1,6 +1,5 @@
 import QtQuick
-import QtQuick.Layouts
-import QtQuick.Shapes 1.9
+import QtQuick.Shapes
 import org.kde.kirigami as Kirigami
 import "../code/utils.js" as Utils
 import "../code/enum.js" as Enum