Run docker ci only when tests pass

.github/workflows/docker-publish.yml

@@ -10,6 +10,11 @@ on:
     branches: [ "main" ]
   pull_request:
     branches: [ "main" ]
+  workflow_run:
+    workflows: ["Java CI with Gradle"]
+    branches: [main]
+    types: 
+      - completed
 
 env:
   # Use docker.io for Docker Hub if empty
@@ -20,7 +25,6 @@ env:
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     permissions:
       contents: read