Bump maven-javadoc-plugin from 2.9 to 3.1.0

[asfimport]

Reporter: Fokko Driesprong / @Fokko
Assignee: Fokko Driesprong / @Fokko

Related issues:

• Support Java 11 - top-level JIRA (is a child of)

PRs and other links:

• GitHub Pull Request #656

_{Note: This issue was originally created as PARQUET-1605. Please see the migration documentation for further details.}