hash only on release?

.github/workflows/all-ci.yml

@@ -36,10 +36,12 @@ jobs:
           path: compiler/build/libs/*-all.jar
 
       - uses: MCJack123/ghaction-generate-release-hashes@v4
+        if: "github.event.release"
         with:
             hash-type: sha256
             file-name: hashes.txt
       - uses: actions/upload-artifact@v3
+        if: "github.event.release"
         with:
             name: Artifact Hashes
             path: hashes.txt