Update qt6-base to version 6.3.0 / rev 19 via SR 974679
    
    https://build.opensuse.org/request/show/974679
    by user cgiboudeaux + dimstar_suse
    - Require the SSL devel package it was built with, not just any
      pkgconfig(openssl). Otherwise it is satisfied with libressl-devel
      even if it was built with openssl-devel. (forwarded request 974678 from cgiboudeaux)