plumstone

The build failed due to an error in the jdk setup process. Maybe we should consider updating the jdk to temurin (successor of adopt) https://github.com/actions/setup-java#basic

A missing manifest entry inside the eventbus jar file causes the following warning on a build that uses the eventbus library and has the module system enabled. ``` [WARNING] ***********************************************************************************************************************************************...

If you're using junit 5, the addition of the following dependency should solve the problem. ```xml org.junit.jupiter junit-jupiter-engine 5.7.0 test ```

Sounds good! I would suggest setting up Renovate to automatically update dependencies. That would take off a lot of work in maintaining this library. Maybe I can give that a...