Update dependency community.postgresql to v4

| datasource        | package              | from   | to    |
| ----------------- | -------------------- | ------ | ----- |
| galaxy-collection | community.postgresql | 3.14.0 | 4.0.0 |

Author: renovate[bot]

ansible/roles/requirements.yml

@@ -7,7 +7,7 @@ collections:
   - name: community.general
     version: 10.6.0
   - name: community.postgresql
-    version: 3.14.0
+    version: 4.0.0
 
 roles:
   - name: dmarc_metrics_exporter