Merge pull request #5761 from imjasonh/kcp-channel

Add #kcp-prototype Slack channel

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -155,6 +155,7 @@ channels:
     archived: true
   - name: k8spin
   - name: kapitan
+  - name: kcp-prototype
   - name: keda
   - name: keda-dev
   - name: keel