bump sonar plugin version to 2.2 from 2.0
bump sonar plugin version to 2.2 from 2.0

sonarqube server upgraded so we need to bump this

OpenLMIS/openlmis-referencedata,OpenLMIS/openlmis-referencedata,OpenLMIS/openlmis-referencedata,OpenLMIS/openlmis-referencedata