Update python-rich to version 12.3.0 / rev 19 via SR 987405
    
    https://build.opensuse.org/request/show/987405
    by user dirkmueller + dimstar_suse
    - update to 12.3.0:
      * Ability to change terminal window title
      * Added show_speed parameter to progress.track which will show the speed when the total is not known
      * Python blocks can now opt out from being rendered in tracebacks's frames,
        by setting a `_rich_traceback_omit = True` in their local scope
      * Fall back to `sys.__stderr__` on POSIX systems when trying to get the
        terminal size (fix issues when Rich is piped to another process)
      * Fixed markup escaping issue
      * Safari - Box appearing around SVG export
      * Fixed recursion error in Jupyter progress bars
      * Complex numbers are now identified by the highlighter
      * Fix crash on IDLE and forced is_terminal detection to False because IDLE
        can't do escape codes
      * Fixed missing blank line in traceback rendering
      *