feat(helm-chart)!: Update Helm release kube-prometheus-stack to 78.3.2

| datasource | package               | from   | to     |
| ---------- | --------------------- | ------ | ------ |
| helm       | kube-prometheus-stack | 64.0.0 | 78.3.2 |

Author: renovate[bot]

cluster/apps/monitoring/kube-prometheus-stack/app/helmrelease.yaml

@@ -11,7 +11,7 @@ spec:
     spec:
       # renovate: registryUrl=https://prometheus-community.github.io/helm-charts
       chart: kube-prometheus-stack
-      version: 64.0.0
+      version: 78.3.2
       sourceRef:
         kind: HelmRepository
         name: prometheus-community-charts