4 Extend lf_tox_sonar with sonarcloud, sonarcloud-project-key,
5 sonarcloud-project-organization, sonarcloud-api-token, tox-dir
6 and tox-envs properties; also with lf-infra-tox-parameters macro.
7 Use new sonarcloud property as guard for conditional builder step,
8 if true use lf-infra-maven-sonarcloud, else use lf-infra-maven-sonar.