Merge pull request #338 from rabbitmq/dependabot/maven/org.codehaus.mojo-build-helper-maven-plugin-3.4.0

Bump build-helper-maven-plugin from 3.3.0 to 3.4.0

Author: michaelklishin

pom.xml

@@ -84,7 +84,7 @@
     <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
     <maven-javadoc-plugin.version>3.5.0</maven-javadoc-plugin.version>
     <maven.jar.plugin.version>3.3.0</maven.jar.plugin.version>
-    <build-helper-maven-plugin.version>3.3.0</build-helper-maven-plugin.version>
+    <build-helper-maven-plugin.version>3.4.0</build-helper-maven-plugin.version>
     <asciidoctor.maven.plugin.version>2.2.3</asciidoctor.maven.plugin.version>
     <asciidoctorj.version>2.5.8</asciidoctorj.version>
     <asciidoctorj.pdf.version>2.3.7</asciidoctorj.pdf.version>