ci: try to make it work/2

Author: tassiluca

.github/workflows/publish-smart-contracts-javadoc.yml

@@ -20,6 +20,7 @@ jobs:
           target-folder: . 
           project: gradle
           custom-command: |
+            echo "HELLO!"
             cd smart-contracts
             ./gradlew javadoc
             cp -r ./chaincode-org2/build/docs ./build/docs/