Merge pull request #5337 from kinvolk/alban_headlamp

New slack channel for Headlamp

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -105,6 +105,7 @@ channels:
   - name: gloo
   - name: grafana-operator
   - name: haproxy-ingress
+  - name: headlamp
   - name: helm-chart-testing
   - name: helm-deprecated
     archived: true