release only on releases, not pre-releases (#738)

Author: rndmh3ro

.github/workflows/galaxy-publish.yml

@@ -4,7 +4,7 @@ name: Publish collection to Ansible Galaxy
 on:  # yamllint disable-line rule:truthy
   release:
     types:
-      - published
+      - released
 
 jobs:
   deploy: