[TOOL] SonarQube™: update to latest version 8.4.2 and updated recommended Java rules

Hi all,

We recently updated the SonarQube™ tool that allows to analyze and improve your Java code quality. Here is the changelog of the new version:

  • Server launched manually using Docker.
  • Simplified analysis and parameterized using a properties file.

You can find this tool on our GitHub page.

Happy coding!
The MicroEJ Team