Upgrade postgres-backup

Ref: https://github.com/devture/com.devture.ansible.role.postgres_backup/pull/5

requirements.yml

@@ -43,7 +43,7 @@
   version: v16.1-6
   name: postgres
 - src: git+https://github.com/devture/com.devture.ansible.role.postgres_backup.git
-  version: 7eadc992ca952fc29bf3fab5aa6335fa82ff01e5
+  version: 046004a8cb9946979b72ce81c2526c8033ea8067
   name: postgres_backup
 - src: git+https://github.com/mother-of-all-self-hosting/ansible-role-prometheus.git
   version: v2.50.1-0