GH Actions: run mvn in batch mode

Author: LEDfan

.github/workflows/workflows.yaml

@@ -32,19 +32,19 @@ jobs:
       - name: Pull Image
         run: docker pull openanalytics/shinyproxy-demo:latest
       - name: Build with Maven
-        run: mvn -U clean install -DskipTests
+        run: mvn -B -U clean install -DskipTests
       - name: Copy Artifact
         run: cp target/containerproxy-*-exec.jar target/containerproxy-app-recovery.jar
       - name: Run Tests
-        run: mvn test
+        run: mvn -B test
 
   dependency:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v2
       - name: Run Dependency Check
-        run: mvn -Powasp-dependency-check verify -DskipTests
+        run: mvn -B -Powasp-dependency-check verify -DskipTests
       - name: Archive code coverage results
         uses: actions/upload-artifact@v2
         with: