Use updated maven-javadoc-plugin (#779)

* Overwrite javadoc plugin

* Bump Java port to 0.6.4

java/pom.xml

@@ -21,12 +21,12 @@
   <parent>
     <groupId>org.sonatype.oss</groupId>
     <artifactId>oss-parent</artifactId>
-    <version>7</version>
+    <version>9</version>
   </parent>
 
   <groupId>com.google.budoux</groupId>
   <artifactId>budoux</artifactId>
-  <version>0.6.3</version>
+  <version>0.6.4</version>
 
   <name>BudouX</name>
   <url>https://google.github.io/budoux/</url>
@@ -56,6 +56,13 @@
   </dependencies>
 
   <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <version>3.10.0</version>
+      </plugin>
+    </plugins>
     <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
       <plugins>
         <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->