feat(helm-chart): update helm release kube-prometheus-stack to 58.6.0 (…

…#1396)

| datasource | package               | from   | to     |
| ---------- | --------------------- | ------ | ------ |
| helm       | kube-prometheus-stack | 58.5.3 | 58.6.0 |

Co-authored-by: bendo-bot <126472327+bendo-bot[bot]@users.noreply.github.com>

cluster/system/prometheus-stack/Chart.yaml

@@ -6,5 +6,5 @@ version: 1.0.0
 appVersion: "0.54.0"
 dependencies:
   - name: kube-prometheus-stack
-    version: 58.5.3
+    version: 58.6.0
     repository: https://prometheus-community.github.io/helm-charts