Update python-coverage to version 7.5.3 / rev 63 via SR 1178912
    
    https://build.opensuse.org/request/show/1178912
    by user dirkmueller + anag+factory
    - update to 7.5.3:
      * Performance improvements for combining data files, especially
        when measuring line coverage. A few different quadratic
        behaviors were eliminated. In one extreme case of combining
        700+ data files, the time dropped from more than three hours
        to seven minutes.  Thanks for Kraken Tech for funding the
        fix.
      * Performance improvements for generating HTML reports, with a
        side benefit of reducing memory use, closing issue 1791.
        Thanks to Daniel Diniz for helping to diagnose the problem.
      * Fix: nested matches of exclude patterns could exclude too
        much code, as reported in issue 1779.  This is now fixed.
      * Changed: previously, coverage.py would consider a module
        docstring to be an executable statement if it appeared after
        line 1 in th