Fix warning on jaxb-tools documentation maven module #439
Description
jaxb-tools-docs maven-module had warning on build with maven 3.9
[INFO] -------------------< org.jvnet.jaxb:jaxb-tools-docs >-------------------
[INFO] Building JAXB Tools :: Docs 4.0.1-SNAPSHOT
[INFO] from pom.xml
[INFO] --------------------------------[ jar ]---------------------------------
[WARNING] Parameter 'sourceHighlighter' is unknown for plugin 'asciidoctor-maven-plugin:2.2.4:process-asciidoc (asciidoc-to-html)'
[WARNING] Parameter 'sourceHighlighter' is unknown for plugin 'asciidoctor-maven-plugin:2.2.4:process-asciidoc (asciidoc-to-pdf)'
According to plugin documentation, sourceHighlighter parameter has been removed in favor of attribute definition source-highlighter