Update Helm release k8s-monitoring to v4.1.5

Author: renovate[bot]

ops/monitoring/Chart.yaml

@@ -9,5 +9,5 @@ dependencies:
   version: 6.55.0
   repository: https://grafana.github.io/helm-charts
 - name: k8s-monitoring
-  version: 4.0.1
+  version: 4.1.5
   repository: https://grafana.github.io/helm-charts