build: fix missing step

Author: hauner

.github/workflows/build.yaml

@@ -85,6 +85,9 @@ jobs:
       github.actor != 'dependabot[bot]' &&
       github.actor == 'hauner' && contains(needs.version.outputs.BUILD_VERSION, 'SNAPSHOT')
 
+    steps:
+      - run: echo "should publish ..."
+
   publish:
     needs: [check-publish]
     name: publish snapshot