Make v0.9.0 replacing v0.8.0

Author: sleshchenko

deploy/templates/components/csv/clusterserviceversion.yaml

@@ -95,6 +95,5 @@ spec:
   provider:
     name: Devfile
     url: https://devfile.io
-  # uncomment the below when devworkspace-operator.v0.8.0 is availble
-  # replaces: devworkspace-operator.v0.8.0
+  replaces: devworkspace-operator.v0.8.0
   version: 0.9.0