CI: disabled shallow clone in sonar analysis job

Author: rashtao

.github/workflows/maven.yml

@@ -150,6 +150,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Set up JDK
         uses: actions/setup-java@v2
         with: