Update postgres-cluster Docker tag to v6.16.1 (#2237)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [postgres-cluster](https://github.com/cloudnative-pg/cloudnative-pg) | patch | `6.16.0` -> `6.16.1` |

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Reviewed-on: #2237
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/helm/n8n/Chart.lock

@@ -4,6 +4,6 @@ dependencies:
   version: 4.4.0
 - name: postgres-cluster
   repository: oci://harbor.alexlebens.net/helm-charts
-  version: 6.16.0
-digest: sha256:eb9251fdb5f24f1680aef05115caddfb5788f95a3655a5360e96da0019cef9a0
-generated: "2025-12-01T20:26:40.022092-06:00"
+  version: 6.16.1
+digest: sha256:e1dfc9657a3d926d9ba82f3bab3a56c9b737e9d43470c84167914b658c659ea3
+generated: "2025-12-04T00:03:06.662631361Z"

clusters/cl01tl/helm/n8n/Chart.yaml

@@ -21,7 +21,7 @@ dependencies:
     version: 4.4.0
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.16.0
+    version: 6.16.1
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/n8n.png
 appVersion: 1.93.0