For projects that use new Jaca features like try-with-resources, crawling fails with:
Variable resource not allowed here for source level below 9 at /home/jakob/exasol/project-keeper-maven-plugin/src/main/java/com/exasol/projectkeeper/validators/files/ProjectFilesValidator.java:69
For projects that use new Jaca features like try-with-resources, crawling fails with: