Merge pull request GoogleCloudPlatform#704 from siwiutki/gke-dpv2-obs…

…-integration

Relate GKE DPv2 dashboards to GKE integration

dashboards/google-kubernetes-engine/metadata.yaml

@@ -65,8 +65,14 @@ sample_dashboards:
     id: gke-dpv2-observability-cluster-flows-overview
     display_name: GKE DPv2 Observability - Cluster Flows Overview
     description: "This dashboard features 6 charts with overview data about the pod-to-workload traffic in your GKE cluster. Monitor how much of your traffic is dropped, see what are the most common drop reasons, all at a glance. [Google Managed Prometheus](https://cloud.google.com/managed-prometheus) and [Dataplane V2 metrics](https://cloud.google.com/kubernetes-engine/docs/how-to/configure-dpv2-observability) must be enabled to make use of this dashboard."
+    related_integrations:
+      - id: gke
+        platform: GCP
   -
     category: Google Kubernetes Engine
     id: gke-dpv2-observability-drilldown-view
     display_name: GKE DPv2 Observability - Drilldown View
     description: "This dashboard features 6 charts providing pod-to-workload traffic data that is groupable and filterable (e.g. by workload, namespace), letting you gain more detailed insight into the traffic within your GKE cluster. Understand which workloads generate the most traffic, drill down which pods drop traffic and what's the reason, and more. [Google Managed Prometheus](https://cloud.google.com/managed-prometheus) and [Dataplane V2 metrics](https://cloud.google.com/kubernetes-engine/docs/how-to/configure-dpv2-observability) must be enabled to make use of this dashboard."
+    related_integrations:
+      - id: gke
+        platform: GCP