fix maven-javadoc-plugin version

Author: leerho

pom.xml

@@ -112,7 +112,7 @@ under the License.
     <maven-enforcer-plugin.version>3.5.0</maven-enforcer-plugin.version>
     <maven-gpg-plugin.version>3.2.7</maven-gpg-plugin.version>
     <maven-jar-plugin.version>3.4.2</maven-jar-plugin.version>
-    <maven-javadoc-plugin.version>3.11.1</maven-javadoc-plugin.version>
+    <maven-javadoc-plugin.version>3.11.2</maven-javadoc-plugin.version>
     <maven-release-plugin.version>3.1.1</maven-release-plugin.version>
     <maven-remote-resources-plugin.version>3.2.0</maven-remote-resources-plugin.version>
     <maven-source-plugin.version>3.3.1</maven-source-plugin.version>