…OpenScience/osf.io into django-3-DRF-serializer

* 'feature/django_upgrade' of https://github.com/CenterForOpenScience/osf.io: (23 commits)
  Fix system check warnings for django admin
  Add migrations for django upgrade base fixes
  Comment out admin permissions that clash with built-in "view" ones
  Add/Enable missing templates and middlewares in api settings
  Fix django CORS whitelist settings due to orgin definition update
  Add required on_delete=CASCADE (default) to FKs missing it
  Make fields defined on typedmodels subclasses nullable
  Upgrade django to 3.2.15 (and related dependencies)
  Fix typo
  Prevent errors in Keen-less environments
  Add missing defaults
  Bump DEFAULT_API_VERSION to 2.20
  Improve import formatting
  Improve header comparison
  Add PLOS Metrics command - Update celery config/queues
  Fix local cookie samesite config and use 'Lax' instead of 'None'
  Add task to celery settings
  Pass and load Identifier ID instead of instance
  Bump version and update changelog
  Registration Resources (CenterForOpenScience#10042)
  ...

…OpenScience/osf.io into django-3-DRF-serializer

* 'feature/django_upgrade' of https://github.com/CenterForOpenScience/osf.io:
  Fix CORS for ORIGINS_WHITELIST
  Use prefetch instead of Django include
  Fix session cookie encoding/decoding by using ensure_str()
  Use JsonField from django.db.models and django.forms
  Use default truthy and falsy values from upgraded DRF 3.13.1
  Enable django.contrib.sessions.middleware.SessionMiddleware
  Fix django cache table creation

…OpenScience/osf.io into django-3-DRF-serializer

* 'feature/django_upgrade' of https://github.com/CenterForOpenScience/osf.io:
  Remove QuickFile check from get_serializer_class for FileDetail view
  Rename auto generated migration for django3 upgrade fixes
  Bump NR Agent version