Update postgres-cluster Docker tag to v6.13.0 (#1698)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [postgres-cluster](https://github.com/cloudnative-pg/cloudnative-pg) | minor | `6.12.0` -> `6.13.0` |

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Reviewed-on: #1698
Co-authored-by: Renovate Bot <renovate-bot@alexlebens.net>
Co-committed-by: Renovate Bot <renovate-bot@alexlebens.net>

clusters/cl01tl/platform/authentik/Chart.yaml

@@ -29,7 +29,7 @@ dependencies:
     version: 1.21.1
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.12.0
+    version: 6.13.0
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/authentik.png
 appVersion: 2025.4.1

clusters/cl01tl/platform/gitea/Chart.yaml

@@ -44,7 +44,7 @@ dependencies:
     version: 1.21.1
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.12.0
+    version: 6.13.0
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://raw.githubusercontent.com/walkxcode/dashboard-icons/main/png/gitea.png
 appVersion: 1.23.7

clusters/cl01tl/platform/matrix-synapse/Chart.yaml

@@ -53,7 +53,7 @@ dependencies:
     repository: oci://harbor.alexlebens.net/helm-charts
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.12.0
+    version: 6.13.0
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/matrix.png
 appVersion: 1.129.0

clusters/cl01tl/platform/n8n/Chart.yaml

@@ -21,7 +21,7 @@ dependencies:
     version: 4.3.0
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.12.0
+    version: 6.13.0
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/n8n.png
 appVersion: 1.93.0

clusters/cl01tl/platform/ollama/Chart.yaml

@@ -23,7 +23,7 @@ dependencies:
     version: 4.3.0
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.12.0
+    version: 6.13.0
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/ollama.png
 appVersion: 0.7.0

clusters/cl01tl/platform/stalwart/Chart.yaml

@@ -23,7 +23,7 @@ dependencies:
     repository: https://bjw-s-labs.github.io/helm-charts/
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 6.12.0
+    version: 6.13.0
     repository: oci://harbor.alexlebens.net/helm-charts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/stalwart.png
 appVersion: v0.11.8