Update Helm release postgres-cluster to v4.2.0 (#1331)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

clusters/cl01tl/applications/freshrss/Chart.yaml

@@ -27,7 +27,7 @@ dependencies:
     version: 1.14.0
   - name: postgres-cluster
     alias: postgres-17-cluster
-    version: 4.1.5
+    version: 4.2.0
     repository: http://alexlebens.github.io/helm-charts
 icon: https://raw.githubusercontent.com/walkxcode/dashboard-icons/main/png/freshrss.png
 appVersion: 1.24.3