Update deploy_on_release.yml to only run when a release is published (meta-pytorch#3087)

Summary:
Looks like releasing directly without first creating a draft release triggers on both "created" and "published". Since "published" also covers publishing a draft release, it should be the only rule we need.

Pull Request resolved: meta-pytorch#3087

Reviewed By: Balandat

Differential Revision: D87648588

Pulled By: saitcakmak

fbshipit-source-id: f31acd8b10e64a221902bd241d0b6693bc35c428

Author: saitcakmak

.github/workflows/deploy_on_release.yml

@@ -2,7 +2,7 @@ name: Deploy On Release
 
 on:
   release:
-    types: [created, published]
+    types: [published]
   workflow_dispatch: