Update dvbcut to version 0.7.4 / rev 5 via SR 1147181
    
    https://build.opensuse.org/request/show/1147181
    by user alois + anag+factory
    - Use cleaner package version detection method
    - Reintroduce modified dvbcut-a52.patch to build against liba52
      0.7.x
    - Add dvbcut-autoconf269.patch
    - Have Leap also build against ffmpeg 5