Upgrade Postgres (v16.1-3 -> v16.1-4)

requirements.yml

@@ -37,7 +37,7 @@
   version: ff2fd42e1c1a9e28e3312bbd725395f9c2fc7f16
   name: playbook_state_preserver
 - src: git+https://github.com/devture/com.devture.ansible.role.postgres.git
-  version: v16.1-3
+  version: v16.1-4
   name: postgres
 - src: git+https://github.com/devture/com.devture.ansible.role.postgres_backup.git
   version: b29a9c551dd09079f5ef26d494973a499088b9e8