Update maven-ci.yml

.github/workflows/maven-ci.yml

@@ -37,6 +37,9 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
+      with:
+        # Disabling shallow clone for improving relevancy of SonarQube reporting
+        fetch-depth: 0
     - name: Set up JDK 11
       uses: actions/setup-java@v1
       with: