Bump asciidoctorj from 1.5.6 to 2.5.7#85

dependabot[bot] wants to merge 1 commit intomasterCourseOrchestra/celestadoc:masterfrom

dependabot/maven/org.asciidoctor-asciidoctorj-2.5.7CourseOrchestra/celestadoc:dependabot/maven/org.asciidoctor-asciidoctorj-2.5.7Copy head branch name to clipboard