Update cava to version 0.8.3 / rev 13 via SR 1033470
    
    https://build.opensuse.org/request/show/1033470
    by user jubalh + dimstar_suse
    - Update to 0.8.3:
      bugfixes:
      * fix some calculations on x-axis label
      * cavacore: channels where sorted wrong according to doc
      * fix autosensing sometimes not working
      improvements:
      * improved response time by decreasing audio buffer size
      * add support for alacritty synchronized updates
      * brought EQ back by popular demand
      * added support for hex colors and gradient in noncurses mode
      * add configurable orientation of bars