Update Helm release postgres-cluster to v6

clusters/cl01tl/applications/tautulli/values.yaml

@@ -11,7 +11,7 @@ tautulli:
         main:
           image:
             repository: ghcr.io/tautulli/tautulli
-            tag: v2.15.3
+            tag: v2.15.2
             pullPolicy: IfNotPresent
           env:
             - name: PUID

clusters/cl01tl/monitoring/gatus/Chart.yaml

@@ -19,7 +19,7 @@ maintainers:
 dependencies:
   - name: gatus
     repository: https://twin.github.io/helm-charts
-    version: 1.3.1
+    version: 1.3.0
   - name: postgres-cluster
     alias: postgres-17-cluster
     version: 6.4.4