chore(deps): update helm release k8s-monitoring to v1.6.50

| datasource | package        | from   | to     |
| ---------- | -------------- | ------ | ------ |
| helm       | k8s-monitoring | 1.6.48 | 1.6.50 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>

Author: renovate-sh-app[bot]

deployments/terraform/k8-monitoring.tf

@@ -3,7 +3,7 @@ resource "helm_release" "grafana-k8s-monitoring" {
   name             = "grafana-k8s-monitoring"
   repository       = "https://grafana.github.io/helm-charts"
   chart            = "k8s-monitoring"
-  version          = "1.6.48"
+  version          = "1.6.50"
   namespace        = "quickpizza-monitoring"
   create_namespace = true
   atomic           = true