Merge pull request #7802 from enj/patch-5

Add sig-api-machinery-storageversion-dev channel

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -443,6 +443,7 @@ channels:
   - name: shoutouts
   - name: sig-api-machinery
   - name: sig-api-machinery-cel-dev
+  - name: sig-api-machinery-storageversion-dev
   - name: sig-apps
   - name: sig-auth
   - name: sig-auth-authenticators-dev