Merge branch 'NOISSUE_pub-sub-refactorings-pt1' into 'main'

openbook_auth/admin.py

openbook_auth/events.py

openbook_auth/schema/mutations.py

openbook_auth/tests/test_events.py

openbook_common/management/commands/generate_dummy_data.py

openbook_common/pubsub/__init__.py

openbook_common/pubsub/topic.py

openbook_communities/admin.py

openbook_communities/events.py

openbook_communities/events/events.py

openbook_communities/schema/mutations.py

openbook_communities/tests/test_events.py