chore(system-test-apps): update parent to use release version of elpaaso-plugins-mgt (3.0.63)
chore(system-test-apps): update parent to use release version of elpaaso-plugins-mgt (3.0.63)

update repo to add jcenter (hosting ep-plugins-mgt release)

Orange-OpenSource/elpaaso-system-test-apps,Orange-OpenSource/elpaaso-system-test-apps