INCREASE MINIMAL QT VERSION TO 5.12

src/CMakeLists.txt

src/charts/qml/AnalyzeDialog.qml

src/charts/qml/BarDelegate.qml

src/charts/qml/ChartDrawer.qml

src/charts/qml/ChartHelpTip.qml

src/charts/qml/ChartTip.qml

src/charts/qml/ChartTipMelody.qml

src/charts/qml/ChartToolButton.qml

src/charts/qml/ChartView.qml

src/charts/qml/LevelPopup.qml

src/charts/qml/LinearDelegate.qml

src/qml/+android/FlyItem.qml

src/qml/+android/MainMenuMobile.qml

src/qml/+android/StatusTip.qml

src/qml/+android/shared/MenuButton.qml

src/qml/DialogLoader.qml

src/qml/MainMenu.qml

src/qml/MainScore.qml

src/qml/MainWindow.qml

src/qml/MelodyMenuContent.qml