Stop release flow if no new release

.github/workflows/release.yml

@@ -12,6 +12,7 @@ jobs:
   create_docker:
     name: Create Docker Image
     needs: create_release
+    if: ${{ needs.create_release.outputs.success == 'true' }}
     uses: luketainton/gha-workflows/.github/workflows/build-push-attest-docker.yml@main
     with:
         release: ${{ needs.create_release.outputs.release_name }}