Update on-release-published.yml

.github/workflows/on-release-published.yml

@@ -1,4 +1,4 @@
-name: On Release Published (Publish misskey-js)
+name: On Release Published
 
 on:
   release:
@@ -9,9 +9,9 @@ on:
 
 jobs:
   update-misskey-hub:
-    name: Update Misskey Hub
+    name: Update Misskey Hub (Repository Dispatch)
     runs-on: ubuntu-latest
-    if: github.release.prerelease == false
+    if: github.event.name == 'release' && github.release.prerelease == false
 
     steps:
       - name: Get current date