Confirm that I know how to update the banner (#7397)

Author: ralphbean

components/konflux-info/staging/stone-stg-rh01/banner-content.yaml

@@ -1,2 +1,4 @@
 - type: info
   summary: Want to **display important updates** here? [See how to create a banner](https://github.com/redhat-appstudio/infra-deployments/blob/main/components/konflux-info/README.md).
+- type: info
+  summary: Testing notice to confirm that I know how to add banner updates. 👋