#660 only update after publishing a new release

.github/workflows/update_citation.yml

@@ -1,11 +1,9 @@
 name: Update Citation
 
-on: [push]
-
-# on:
-#   release:
-#     types:
-#       - published
+on:
+  release:
+    types:
+      - published
 
 jobs:
   update_citation: