Update Helm release victoria-metrics-k8s-stack to v0.66.1

Author: renovate[bot]

ops/monitoring/Chart.yaml

@@ -3,7 +3,7 @@ name: monitoring
 version: 1.0.0
 dependencies:
 - name: victoria-metrics-k8s-stack
-  version: 0.60.1
+  version: 0.66.1
   repository: https://victoriametrics.github.io/helm-charts/
 - name: loki
   version: 6.40.0