Dialog shown by UpdateInfoPlugin does not clearly show it is about Qt

When maintenance tool has updates available, UpdateInfoPlugin shows a yes/no dialog with the title "Updater" and the text "New updates are available. Do you want to start update?".

When Qt Creator is running in the background and this dialog pops up in the foreground, it's not obvious at all that this is for updating the Qt installation.

The dialog should make it clearer that it is about updating Qt.