Bump maven-javadoc-plugin from 3.4.1 to 3.5.0

Bumps [maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.4.1 to 3.5.0.
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.4.1...maven-javadoc-plugin-3.5.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-javadoc-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -25,7 +25,7 @@
         <scm.url>scm:git:https://github.com/davidmoten/guava-mini.git</scm.url>
 
         <checkstyle.version>3.2.1</checkstyle.version>
-        <javadoc.version>3.4.1</javadoc.version>
+        <javadoc.version>3.5.0</javadoc.version>
         <pmd.version>3.20.0</pmd.version>
         <project.info.version>3.4.2</project.info.version>
         <jxr.version>3.3.0</jxr.version>