Update dependency org.apache.maven.plugins:maven-javadoc-plugin to v3.6.0

Author: renovate[bot]

pom.xml

@@ -58,7 +58,7 @@
         <versions-maven-plugin.version>2.13.0</versions-maven-plugin.version>
         <maven-gpg-plugin.version>3.0.1</maven-gpg-plugin.version>
         <maven-source-plugin.version>3.2.1</maven-source-plugin.version>
-        <maven-javadoc-plugin.version>3.4.1</maven-javadoc-plugin.version>
+        <maven-javadoc-plugin.version>3.6.0</maven-javadoc-plugin.version>
         <nexus-staging-maven-plugin.version>1.6.13</nexus-staging-maven-plugin.version>
 
         <!-- Testcoverage analysis -->