Update channels.yaml

An on cluster general purpose constraint/SAT solver for Kubernetes dependencies. This project is a part of the Operator Lifecycle Manager subproject of the Operator Framework

communication/slack-config/channels.yaml

@@ -84,6 +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: devfile
   - name: devspace
   - name: devstats