Update postgres-cluster Docker tag to v7.4.5 (#2892)

clusters/cl01tl/helm/postiz/Chart.lock

@@ -7,7 +7,7 @@ dependencies:
   version: 2.1.4
 - name: postgres-cluster
   repository: oci://harbor.alexlebens.net/helm-charts
-  version: 7.4.4
+  version: 7.4.5
 - name: redis-replication
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.5.0
@@ -17,5 +17,5 @@ dependencies:
 - name: volsync-target
   repository: oci://harbor.alexlebens.net/helm-charts
   version: 0.7.0
-digest: sha256:d2d1aece272eb0ef516255d5d6cdea008b1af08f2d2e467849573a822c7e7519
-generated: "2025-12-27T13:32:00.021781-06:00"
+digest: sha256:eb729729d35eb986e9497e400f31a45b37c123f9526ad0dfc0b1047a3a45d706
+generated: "2025-12-27T19:48:03.116570442Z"