Log Message:
py-tortoise-orm: updated to 0.21.4

0.21.4

Added
- Add ObjectDoesNotExistError to show better 404 message.
- DoesNotExist and MultipleObjectsReturned support 'Type[Model]' argument.
- Add argument use_tz and timezone to RegisterTortoise.
- Support await `tortoise.contrib.fastapi.RegisterTortoise`.
- Add `tortoise.contrib.test.init_memory_sqlite`.

Fixed
- Fix `update_or_create` errors when field value changed.
- Fix bandit check error
- Fix potential race condition in ConnectionWrapper
- Fix py312 warning for datetime.utcnow
- Fix reusing values and value_list queries

Changed
- Remove obsolete loop._selector from contrib/test.