- Update to 3.17.1:
* Add bitwise and other helper methods to `BigBitField`, #2802.
* Add `add_column_default` and `drop_column_default` migrator methods for
specifying a server-side default value, #2803.
* The new `star` attribute was causing issues for users who had a field named
star on their models. This attribute is now renamed to `__star__`. #2796.
* Fix compatibility issues with 3.12 related to utcnow() deprecation.
* Add stricter locking on connection pool to prevent race conditions.
* Add adapters and converters to Sqlite to replace ones deprecated in 3.12.
* Fix bug in `model_to_dict()` when only aliases are present.
* Fix version check for Sqlite native drop column support.
* Do not specify a `reconnect=` argument to `ping()` if using MySQL 8.x.