Update django-extra-views requirement from ==0.11.* to ==0.12.* (#371)
Update django-extra-views requirement from ==0.11.* to ==0.12.* (#371)

Updates the requirements on [django-extra-views](https://github.com/AndrewIngram/django-extra-views) to permit the latest version.
- [Release notes](https://github.com/AndrewIngram/django-extra-views/releases)
- [Changelog](https://github.com/AndrewIngram/django-extra-views/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/AndrewIngram/django-extra-views/compare/0.11.0...0.12.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
sanoma/django-arctic,sanoma/django-arctic,sanoma/django-arctic