Update to 8.16 and enable Node Exporter
- Change image to 8.16.1.
- Add 9100 port to service & deployment for gitlab. Enable Node Exporter.
- Remove k8s deploy patch that was already merged to 8.16.
- Annotate Node Exporter service for monitoring.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data