Geonode-oauth-toolkit

Fixed [unique UUID gives throws error when running migrations](https://github.com/GeoNode/geonode-oauth-toolkit/issues/6)

Aligned to [django-oauth-toolkit 1.5.0](https://github.com/jazzband/django-oauth-toolkit/pull/947)

Added
* 915 Add optional OpenID Connect support.

Changed
* 942 Help via defunct Google group replaced with using GitHub issues

Changed
* 925 OAuth2TokenMiddleware converted to new style middleware, and no longer extends MiddlewareMixin.

Removed
* 936 Remove support for Python 3.5

Added
* 917 Documentation improvement for Access Token expiration.
* 916 (for DOT contributors) Added `tox -e livedocs` which launches a local web server on `locahost:8000`
to display Sphinx documentation with live updates as you edit.
* 891 (for DOT contributors) Added [details](https://django-oauth-toolkit.readthedocs.io/en/latest/contributing.html)
on how best to contribute to this project.
* 884 Added support for Python 3.9
* 898 Added the ability to customize classes for django admin
* 690 Added pt-PT translations to HTML templates. This enables adding additional translations.

Fixed
* 906 Made token revocation not apply a limit to the `select_for_update` statement (impacts Oracle 12c database).
* 903 Disable `redirect_uri` field length limit for `AbstractGrant`

Added
* added `select_related` in intospect view for better query performance
* 831 Authorization token creation now can receive an expire date
* 831 Added a method to override Grant creation
* 825 Bump oauthlib to 3.1.0 to introduce PKCE
* Support for Django 3.1

Fixed
* 847: Fix inappropriate message when response from authentication server is not OK.

Changed
* few smaller improvements to remove older django version compatibility 830, 861, 862, 863

Fixed
* Fixes: 1.3.1 inadvertently uploaded to pypi with an extra migration (0003...) from a dev branch.