Merge pull request #7318 from azpaulp/add-k8s-slack-channel

add eksctl channel in k8s slack

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -107,6 +107,7 @@ channels:
   - name: druid-operator
   - name: ebpf
   - name: eks
+  - name: eksctl
   - name: elastickube
   - name: elk-charts
     archived: true