wording: change Grafana to Cockpit

Author: Bibas

observability/cockpit/how-to/send-log-from-k8s-to-cockpit.mdx

@@ -119,7 +119,7 @@ You can check our guide to [send metrics from your cluster to Cockpit](// ADD LI
   ```
 3. Run `terraform apply` to apply the new Terraform configuration.
 
-## Explore your logs in Grafana
+## Explore your logs in Cockpit
 
 Now that your logs are exported to your Cockpit, you can access and query them.
 

observability/cockpit/how-to/send-metrics-from-k8s-to-cockpit.mdx

@@ -150,7 +150,7 @@ resource "kubernetes_deployment_v1" "your_application_deployment" {
   Make sure to replace `-f` flag with the correct path to your `values.yml` file.
 
 
-## Explore your metrics in Grafana
+## Explore your metrics in Cockpit
 
 Now that your metrics are exported to your Cockpit, you can access and query them.