Merge pull request #581 from rabbitmq/dependabot/maven/org.apache.maven.plugins-maven-javadoc-plugin-3.8.0

Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.7.0 to 3.8.0

Author: acogoluegnes

pom.xml

@@ -78,7 +78,7 @@
     <buildnumber.plugin.version>3.2.0</buildnumber.plugin.version>
     <maven-resources-plugin.version>3.3.1</maven-resources-plugin.version>
     <maven-source-plugin.version>3.3.1</maven-source-plugin.version>
-    <maven-javadoc-plugin.version>3.7.0</maven-javadoc-plugin.version>
+    <maven-javadoc-plugin.version>3.8.0</maven-javadoc-plugin.version>
     <maven.jar.plugin.version>3.4.2</maven.jar.plugin.version>
     <build-helper-maven-plugin.version>3.4.0</build-helper-maven-plugin.version>
     <asciidoctor.maven.plugin.version>3.0.0</asciidoctor.maven.plugin.version>