Merge pull request #7644 from mykso/master

Add #myks Slack channel

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -358,6 +358,7 @@ channels:
   - name: monolith
     archived: true
   - name: multi-platform
+  - name: myks
   - name: mysql-operator
   - name: nais
   - name: nauticus