Update postgres-cluster Docker tag to v7.11.2

clusters/cl01tl/helm/postiz/Chart.lock

@@ -7,7 +7,7 @@ dependencies:
   version: 2.4.0
 - name: postgres-cluster
   repository: oci://harbor.alexlebens.net/helm-charts
-  version: 7.10.0
+  version: 7.11.2
 - name: valkey
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.4.0
@@ -17,5 +17,5 @@ dependencies:
 - name: volsync-target
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.8.0
-digest: sha256:de3fb540df1cf7385a19316741854d01e002740c0bf346f3da0ff3a809b1fc3d
-generated: "2026-03-15T20:08:06.855136249Z"
+digest: sha256:bf8a2ac62745b9868be341ceb3ce282dd5c0adbf5eddd952b8175abbe74a66ea
+generated: "2026-04-04T20:10:47.517903543Z"