Update python-scour to version 0.38.2 / rev 11 via SR 930172
    
    https://build.opensuse.org/request/show/930172
    by user dirkmueller + dimstar_suse
    - add dependency to xml library
    
    - update to 0.38.2:
      * Fix another regression caused by new feature to merge sibling groups
      * Fix regression caused by new feature to merge sibling groups
      * Fix issue with dropping xlink:href attribute when collapsing referenced gradients
      * Fix issue with dropping ID while de-duplicating gradients
      * Improve `--shorten-ids` so it re-maps IDs that are already used in the
        document if they're shorter
      * Fix whitespace handling for SVG 1.2 flowed text
      * Improvement: Merge sibling `<g>` nodes with identical attributes
      * Improve performance of XML serialization
      * Improve performance of gradient de-duplication
      * Some general performance improvements