Bump maven-javadoc-plugin from 3.0.1 to 3.1.0 (#20)
Bump maven-javadoc-plugin from 3.0.1 to 3.1.0 (#20)

Bumps [maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.0.1 to 3.1.0.
<details>
<summary>Commits</summary>

- [`dc07f23`](https://github.com/apache/maven-javadoc-plugin/commit/dc07f2338ced0e38d720d53d85360356cabe39ba) [maven-release-plugin] prepare release maven-javadoc-plugin-3.1.0
- [`d2adefd`](https://github.com/apache/maven-javadoc-plugin/commit/d2adefd7410cae0c76d5143c4bc7b6f9e1d1539c) [MJAVADOC-580] javadoc:javadoc detects wrong java API link when running on op...
- [`a223f25`](https://github.com/apache/maven-javadoc-plugin/commit/a223f25db79555851f98fee1eba9e778ede69d39) MJAVADOC-580: javadoc:javadoc detects wrong java API link when running on ope...
- [`0799b53`](https://github.com/apache/maven-javadoc-plugin/commit/0799b53b804d75ddee1ad2254e62a05199b416c5) [MJAVADOC-565] Make proxy configuration properly work for both HTTP and HTTPS
- [`fd0c42a`](https://github.com/apache/maven-javadoc-plugin/commit/fd0c42a5426e2c6a97fd866548fbaba39106a13f) [MJAVADOC-338] When includeDependencySources=true the javadoc plugin should n...
- [`10ed96a`](https://github.com/apache/maven-javadoc-plugin/commit/10ed96a7d8af93cda8a009813a696339d16655f5) [MJAVADOC-469] <additionalOption> input isn't escaped for double backslashes ...
- [`5250cba`](https://github.com/apache/maven-javadoc-plugin/commit/5250cba293ca561b59e4e5738e3dffd48dc85c5a) [MJAVADOC] Improve split package issue with Manifest base modules.
- [`f09e0c8`](https://github.com/apache/maven-javadoc-plugin/commit/f09e0c8a6563f505a5e1bd5862952d00458cdb5d) [MJAVADOC-568] javadoc:jar fails when project has Automatic-Module-Name and (...
- [`bb50d3e`](https://github.com/apache/maven-javadoc-plugin/commit/bb50d3e3c7060594a811c4730872f60e2a84024f) [MJAVADOC-578] Groups parameter is not compatibile with Surefire
- [`9df315c`](https://github.com/apache/maven-javadoc-plugin/commit/9df315c1097a3db3b6162a1d3c830bbcf674cb98) Add GitHub pull requests template (copied from Maven Enforcer plugin)
- Additional commits viewable in [compare view](https://github.com/apache/maven-javadoc-plugin/compare/maven-javadoc-plugin-3.0.1...maven-javadoc-plugin-3.1.0)
</details>
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joschi/nosqlunit-elasticsearch2