Bump pgbouncer to version 1.22.0

Bump pgbouncer to version 1.22.0

- Updates pgbouncer/pgbouncer from pgbouncer_1_21_0
  to pgbouncer_1_22_0

Changelog: changed

The following dependencies have been updated by deps:

• pgbouncer/pgbouncer from pgbouncer_1_21_0 to pgbouncer_1_22_0

---

Changelog: 2024-01-31 - PgBouncer 1.22.0 - "DEALLOCATE ALL"

Features

• Adds support for DEALLOCATE ALL and DISCARD ALL when max_prepared_statements is set to a non-zero value (normal DEALLOCATE is still unsupported) (https://github.com/pgbouncer/pgbouncer/pull/972)
• Support configuring auth_query per database (https://github.com/pgbouncer/pgbouncer/pull/979)

Changes

• Improve settings in the recommended systemd unit file (https://github.com/pgbouncer/pgbouncer/pull/983)
• Make fail fast logic handle all scenarios where no working connections to the database exist anymore and none can be established (https://github.com/pgbouncer/pgbouncer/pull/998)
• Multiple documentation improvements

Fixes

• Fix issue in PG14+ where PgBouncer would send SET DateStyle='ISO' for every transaction (https://github.com/pgbouncer/pgbouncer/pull/879)
• Fix handling of empty application_name (https://github.com/pgbouncer/pgbouncer/pull/999)
• Fix building on Windows with OpenSSL 3.2.0 (https://github.com/pgbouncer/pgbouncer/pull/1009)