Merge pull request #229 from modcluster/dependabot/maven/org.asciidoctor-asciidoctor-maven-plugin-3.1.0

Bump org.asciidoctor:asciidoctor-maven-plugin from 2.2.6 to 3.1.0

Author: rhusar

pom.xml

@@ -38,7 +38,7 @@
     </scm>
 
     <properties>
-        <version.asciidoctor-maven-plugin>2.2.6</version.asciidoctor-maven-plugin>
+        <version.asciidoctor-maven-plugin>3.1.0</version.asciidoctor-maven-plugin>
         <version.org.asciidoctor.asciidoctorj-pdf>2.3.19</version.org.asciidoctor.asciidoctorj-pdf>
     </properties>