docs: Use latest version of Kubernetes Event Exporter (#212)

Author: tomkerkhove

docs/walkthroughs/kubernetes-event-exporter.md

@@ -296,8 +296,8 @@ Update Complete. ⎈ Happy Helming!⎈
 ```yaml
 image:
   registry: docker.io
-  repository: opsgenie/kubernetes-event-exporter
-  tag: latest
+  repository: ghcr.io/opsgenie/kubernetes-event-exporter
+  tag: v0.10
 config:
   route:
     routes:
@@ -348,4 +348,4 @@ deployment.apps/nginx created
 
 - Once you open the run details, you will see a CloudEvent-compliant version of the Kubernetes events:
 
-![High Level Overview](/media/walkthroughs/received-event-details.png)
+![High Level Overview](/media/walkthroughs/received-event-details.png)