Update Helm release postgres-cluster to v6

clusters/cl01tl/applications/homepage/values.yaml

@@ -411,7 +411,7 @@ homepage:
                   siteMonitor: http://authentik-server.authentik:80
                   statusStyle: dot
               - Email:
-                  icon: sh-stalwart.webp
+                  icon: sh-stalwart-mail-server.webp
                   description: Stalwart
                   href: https://stalwart.alexlebens.net
                   siteMonitor: http://stalwart.stalwart:80

clusters/cl01tl/monitoring/gatus/values.yaml

@@ -112,8 +112,6 @@ gatus:
       conditions:
         - "[STATUS] == 200"
         - "[CERTIFICATE_EXPIRATION] > 240h"
-      alerts:
-        - type: ntfy
     endpoints:
       - name: homepage
         <<: *defaults
@@ -137,7 +135,7 @@ postgres-17-cluster:
       destinationPath: s3://postgres-backups-ce540ddf106d186bbddca68a/cl01tl/gatus/gatus-postgresql-17-cluster
       recoveryIndex: 1
   backup:
-    enabled: true
+    enabled: false
     endpointURL: https://nyc3.digitaloceanspaces.com
     destinationPath: s3://postgres-backups-ce540ddf106d186bbddca68a/cl01tl/gatus/gatus-postgresql-17-cluster
     backupIndex: 1