Update python-sfs to version 0.6.2 / rev 3 via SR 1090092
    
    https://build.opensuse.org/request/show/1090092
    by user dirkmueller + dimstar_suse
    - update to 0.6.2:
      * build doc fix, use sphinx4, mathjax2, html_css_files
      * New default driving function for `sfs.td.wfs.point_25d()` for
        reference curve
      * New function `sfs.fd.source.line_bandlimited()` computing the
        sound field of a spatially bandlimited line source
      * Drop support for Python 3.5