Update docker-image.yml

Author: isaacmaffeis

.github/workflows/docker-image.yml

@@ -21,12 +21,7 @@ jobs:
           java-version: '17'
 
       - name: Build and install with Maven
-        run: mvn clean install
-
-      - name: Build with Maven
-        run: |
-          cd ./asmetal2java_asmgen
-          mvn clean package -DskipTests
+        run: mvn --batch-mode clean install -DskipTests
 
       - name: Login to Docker Hub
         uses: docker/login-action@v3