Upgrade com.devture.ansible.role.postgres_backup

requirements.yml

@@ -22,7 +22,7 @@
   version: a1bb78d194434b38005f3a9e623bfa4b2c06c7bc
 
 - src: git+https://github.com/devture/com.devture.ansible.role.postgres_backup.git
-  version: 77b1f9ae1aafa31c9078178c1036bf744c99d08b
+  version: 8e9ec48a09284c84704d7a2dce17da35f181574d
 
 - src: git+https://github.com/devture/com.devture.ansible.role.systemd_service_manager.git
   version: 6ccb88ac5fc27e1e70afcd48278ade4b564a9096