Add SCS slack channel (#7367)

* Add SCS slack channel

Signed-off-by: Jan Schoone <[email protected]>

* fix(slack): use long name since scs is already taken

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Signed-off-by: Jan Schoone <[email protected]>

Author: jschoone

communication/slack-config/channels.yaml

@@ -412,6 +412,7 @@ channels:
   - name: ru-users
   - name: scaleway-k8s
   - name: schemahero
+  - name: sovereign-cloud-stack
   - name: se-users
   - name: sealed-secrets
   - name: security-profiles-operator