Add experimental support for wrapping model persist/delete queries inside transaction

The features added are experimental and not meant to used in the current state

• refactor: remove unused imports 6df0d12
• feat: add support for running insert, update and delete queries always inside a transaction be92c9f
• feat: add defineProperty method on the model itself 78e7a53
• chore: update dependencies 2923085

v16.1.0...v16.2.0