Update Helm release postgres-cluster to v6

clusters/cl01tl/monitoring/kube-prometheus-stack/Chart.yaml

@@ -19,7 +19,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: kube-prometheus-stack
-    version: 77.0.0
+    version: 76.5.1
     repository: oci://ghcr.io/prometheus-community/charts
   - name: app-template
     alias: ntfy-alertmanager

clusters/cl01tl/services/tailscale-operator/Chart.yaml

@@ -17,7 +17,7 @@ maintainers:
   - name: alexlebens
 dependencies:
   - name: tailscale-operator
-    version: 1.86.5
+    version: 1.86.2
     repository: https://pkgs.tailscale.com/helmcharts
 icon: https://cdn.jsdelivr.net/gh/selfhst/icons/png/tailscale-light.png
 appVersion: v1.82.5