update coveralls maven plugin 3.1.0 to 4.0.0
update coveralls maven plugin 3.1.0 to 4.0.0

majimena/majimena-petz,majimena/petz-backend,majimena/petz-backend,majimena/majimena-petz,majimena/majimena-petz,majimena/petz-backend