Merge pull request #7830 from SergeyKanzhelev/wg-serving-slack

wg-serving slack channel

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -543,6 +543,7 @@ channels:
   - name: wg-apply
     archived: true
   - name: wg-batch
+  - name: wg-serving
   - name: wg-component-standard
     archived: true
   - name: wg-component-standard-mentorship