Update chromium to version 103.0.5060.134 / rev 345 via SR 991005
    
    https://build.opensuse.org/request/show/991005
    by user gmbr3 + RBrownFactory
    - Switch back to Clang so that we can use BTI on aarch64
      * Gold is too old - doesn't understand BTI
      * LD crashes on aarch64
    - Re-enable LTO
    - Prepare move to FFmpeg 5 for new channel layout
      (requires 5.1+)