update release-subpackages.yml

.github/workflows/release-subpackages.yml

@@ -66,7 +66,7 @@ jobs:
         rm status.json
 
     - name: Snapshot release to npm
-      if: ${{ steps.changesets-status.outputs.CHANGESETS_LENGTH }} > 0
+      if: steps.changesets-status.outputs.CHANGESETS_LENGTH > 0
       run: |
         yarn release-subpackages:snapshot
       env: