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/gitea/Chart.lock

@@ -16,6 +16,6 @@ dependencies:
   version: 1.23.1
 - name: postgres-cluster
   repository: oci://harbor.alexlebens.net/helm-charts
-  version: 6.16.0
-digest: sha256:60f0995e8be5d9be0f875fb9c8bb43d78c737a9e1ffe9cbae8a48cd9a4861c11
-generated: "2025-12-03T23:41:43.659414949Z"
+  version: 6.16.1
+digest: sha256:b753b6ab3bced4892f4a4662b4c353f1f59345e42f155aef06124e72b3e72468
+generated: "2025-12-04T00:01:03.661689761Z"

clusters/cl01tl/helm/gitea/Chart.yaml

@@ -44,7 +44,7 @@ dependencies:
     version: 1.23.1
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.16.0
+    version: 6.16.1
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://raw.githubusercontent.com/walkxcode/dashboard-icons/main/png/gitea.png
 appVersion: 1.23.7