Type hint the constructors of the data store classes (#11555)

changelog.d/11555.misc

synapse/replication/slave/storage/_base.py

synapse/replication/slave/storage/client_ips.py

synapse/replication/slave/storage/devices.py

synapse/replication/slave/storage/events.py

synapse/replication/slave/storage/filtering.py

synapse/replication/slave/storage/groups.py

synapse/storage/_base.py

synapse/storage/database.py

synapse/storage/databases/main/__init__.py

synapse/storage/databases/main/appservice.py

synapse/storage/databases/main/cache.py

synapse/storage/databases/main/censor_events.py

synapse/storage/databases/main/client_ips.py

synapse/storage/databases/main/deviceinbox.py

synapse/storage/databases/main/devices.py

synapse/storage/databases/main/event_federation.py

synapse/storage/databases/main/event_push_actions.py

synapse/storage/databases/main/events.py

synapse/storage/databases/main/events_bg_updates.py