Make sonarqube step resilient to errors (#6128)

Co-authored-by: Dimitris Gounaris <dimitrisgounaris@20LDN-MAC257.local>

.ci/dev/regression/Jenkinsfile

@@ -64,6 +64,8 @@ pipeline {
 
                 stage('Generate sonarqube report') {
                     steps {
+                        script {
+                            try {
                                 // running this step here is the only way to not majorly affect the distributed test plugin,
                                 // as now that neither returns build files nor runs jacoco reports
                                 sh "./gradlew --no-daemon build jacocoRootReport --stacktrace"
@@ -83,6 +85,10 @@ pipeline {
                                         }
                                     }
                                 }
+                            } catch (err) {
+                                println('Error while trying to execute sonarqube analysis, will be skipped.')
+                            }
+                        }
                     }
                 }
             }