Features
- render 'to' and 'to_columns' fields on foreign key constraints, and bump dbt-common lower bound to 1.6 ([271](https://github.com/dbt-labs/dbt-adapters/issues/271))
Fixes
- Incremental table varchar column definition changed ([276](https://github.com/dbt-labs/dbt-adapters/issues/276))
Under the Hood
- Rework record/replay to record at the database connection level. ([244](https://github.com/dbt-labs/dbt-adapters/issues/244))