Merge pull request #7470 from mrbobbytables/contrib-channel

Update Kubernetes core contributor slack channels

Author: k8s-ci-robot

communication/slack-config/channels.yaml

@@ -272,15 +272,19 @@ channels:
     archived: true
   - name: kubernetes-careers
   - name: kubernetes-client
-  - name: kubernetes-contributors
+  - name: kubernetes-new-contributors
     id: C09R23FHP
   # kubernetes-docs-* channels are defined in sig-docs/
   - name: kubernetes-novice
   - name: kubernetes-operators
+  - name: kubernetes-org-members
   - name: kubernetes-ruby
+    archived: true
   - name: kubernetes-security
   - name: kubernetes-streaming
+    archived: true
   - name: kubernetes-teachers
+    archived: true
   - name: kubernetes-users
   - name: kubeslice
   - name: kubespray