Merge pull request #7375 from ritazh/patch-1

Add sig-auth-authorizers-dev slack channel

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -415,6 +415,7 @@ channels:
   - name: sig-apps
   - name: sig-auth
   - name: sig-auth-authenticators-dev
+  - name: sig-auth-authorizers-dev
   - name: sig-auth-kms-dev
   - name: sig-auth-triage
   - name: sig-autoscaling