Add missing type hints to tests.replication. (#14987)

changelog.d/14987.misc

mypy.ini

tests/replication/_base.py

tests/replication/http/test__base.py

tests/replication/slave/storage/_base.py

tests/replication/slave/storage/test_events.py

tests/replication/tcp/streams/test_account_data.py

tests/replication/tcp/streams/test_events.py

tests/replication/tcp/streams/test_federation.py

tests/replication/tcp/streams/test_partial_state.py

tests/replication/tcp/streams/test_typing.py

tests/replication/tcp/test_commands.py

tests/replication/tcp/test_remote_server_up.py

tests/replication/test_auth.py

tests/replication/test_client_reader_shard.py

tests/replication/test_federation_ack.py

tests/replication/test_federation_sender_shard.py

tests/replication/test_module_cache_invalidation.py

tests/replication/test_multi_media_repo.py

tests/replication/test_pusher_shard.py