Add Phonon dependency to KNotifications
It's needed as specified by CMake file.
This only adds it to the KF6 file since current development happens there and I can't test the other cases. But let me know if I should also add it to the KF5 file.
It's needed as specified by CMake file.
This only adds it to the KF6 file since current development happens there and I can't test the other cases. But let me know if I should also add it to the KF5 file.