Continuing the discussion from Could not resolve pom from artifactory:
I too found that the repository URLs in artifactory need to be different than what is published.
This worked as a remote repository : https://app.camunda.com/nexus/repository/public/
The URLs from these locations did not:
https://docs.camunda.org/get-started/apache-maven/#community-edition-1
https://docs.camunda.org/manual/7.15/user-guide/process-applications/maven-archetypes/