Update python-xmltodict to version 0.13.0 / rev 7 via SR 983728
    
    https://build.opensuse.org/request/show/983728
    by user dirkmueller + dimstar_suse
    - update to 0.13.0:
      * Add install info to readme for openSUSE. (#205)
      * Support defaultdict for namespace mapping (#211)
      * parse(generator) is now possible (#212)
      * Processing comments on parsing from xml to dict (connected to #109) (#221)
      * Add expand_iter kw to unparse to expand iterables (#213)
      * Fixed some typos
      * Add support for python3.8
      * Drop Jython/Python 2 and add Python 3.9/3.10.
      * Drop OrderedDict in Python >= 3.7
      * Do not use len() to determine if a sequence is empty
      * Add more namespace attribute tests
      * Fix encoding issue in setup.py