Bump sonarqube analysis performances. GNP-6077.

Add --parallel option to sonarqube analysis step.

.gitlab-ci.yml

@@ -112,7 +112,7 @@ test-and-sonarqube:
     - ./gradlew :backend:test jacocoTestReport --parallel
     - find /tmp/node/*/bin -name node -exec ln -s {} /tmp/node/node \;
     - export PATH="/tmp/node/:$PATH"
-    - ./gradlew -s sonarqube -x test
+    - ./gradlew -s sonarqube -x test --parallel
   artifacts:
     reports:
       junit: