Set version at 3.0.4

Author: tmgstevens

galaxy.yml

@@ -23,7 +23,7 @@ namespace: cloudera
 name: cluster
 
 # The version of the collection. Must be compatible with semantic versioning
-version: 3.0.4-pre-release
+version: 3.0.4
 
 # The path to the Markdown (.md) readme file. This path is relative to the root of the collection
 readme: README.md