SLING-8262 -  Add SonarQube analysis to Jenkins jobs

Stub work for experimental SonarCloud stage.
diff --git a/vars/slingOsgiBundleBuild.groovy b/vars/slingOsgiBundleBuild.groovy
index 844597e..ae7849d 100644
--- a/vars/slingOsgiBundleBuild.groovy
+++ b/vars/slingOsgiBundleBuild.groovy
@@ -60,6 +60,12 @@
                             }
                         }
                     }
+
+                    if ( jobConfig.sonarCloud ) {
+                        stage('SonarCloud') {
+                            echo "stub"
+                        }
+                    }
   //              }
             } else {
                 echo "Job is disabled, not building"