Bump maven-javadoc-plugin from 3.1.1 to 3.2.0

Bumps [maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.1.1 to 3.2.0.
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.1.1...maven-javadoc-plugin-3.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

pom.xml

@@ -173,7 +173,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-javadoc-plugin</artifactId>
-            <version>3.1.1</version>
+            <version>3.2.0</version>
             <configuration>
               <excludePackageNames>com.neilalexander.jnacl</excludePackageNames>
               <source>8</source>