This update for python-djangorestframework fixes the following issues:

Update to 3.11.2

* Security: Drop urlize_quoted_links template tag in favour of
Django's built-in urlize. Removes a XSS vulnerability for some
kinds of content in the browsable API. (boo#1177205, CVE-2020-25626)
* update Django for APIs book to 3.0 edition
* decode base64 credentials as utf8; adjust tests
* Remove compat urls for Django < 2.0