Update python-pyupgrade to version 2.31.1 / rev 22 via SR 961980
    
    https://build.opensuse.org/request/show/961980
    by user dirkmueller + dimstar_suse
    - - update to version 2.31.1:
     - dont rewrite universal_newlines if text or **kwargs present
     - upgrade flake8-typing-imports
       Committed via https://github.com/asottile/all-repos
     - drop python3.6 support
       python 3.6 reached end of life on 2021-12-23
       Committed via https://github.com/asottile/all-repos
     - remove --fail-under from tox (covdefaults handles this)
       Committed via https://github.com/asottile/all-repos
     - Use diff syntax in more places in the docs
    - update to version 2.31.0:
     - rewrite string formatting with **locals()