Update abseil-cpp to version 20230802.1 / rev 33 via SR 1140366
    
    https://build.opensuse.org/request/show/1140366
    by user dancermak + anag+factory
    - fix build for non-SUSE distributions
    
          The flags library now provides suggestions for the closest
      * minor warning fix
        hexadecimal strings
    - Update to version 20190808 (forwarded request 1139988 from dirkmueller)