upgrade to PgBouncer 1.17.0

[PgBouncer 1.17.0](https://github.com/pgbouncer/pgbouncer/releases/tag/pgbouncer_1_17_0) has been released.

__We should update our, [PgBouncer container image](https://github.com/airflow-helm/charts/tree/main/images/pgbouncer) to use it__