Update channels.yaml

Author: asmacdo

communication/slack-config/channels.yaml

@@ -84,7 +84,7 @@ channels:
   - name: csi-secrets-store #this channel is for secrets-store-csi-driver which is a subproject of sig-auth
   - name: de-events
   - name: de-users
-  - name: deppy
+  - name: deppy-dev
   - name: devfile
   - name: devspace
   - name: devstats