Bump the test-dependencies group with 1 update

Bumps the test-dependencies group with 1 update: [org.apache.maven.plugins:maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin).

- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.6.2...maven-javadoc-plugin-3.6.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

pom.xml

@@ -47,7 +47,7 @@
     <compiler-plugin.version>3.11.0</compiler-plugin.version>
     <gpg-plugin.version>3.1.0</gpg-plugin.version>
     <jacoco.version>0.8.11</jacoco.version>
-    <javadoc-plugin.version>3.6.2</javadoc-plugin.version>
+    <javadoc-plugin.version>3.6.3</javadoc-plugin.version>
     <nexus-plugin.version>1.6.13</nexus-plugin.version>
     <release-plugin.version>3.0.1</release-plugin.version>
     <source-plugin.version>3.3.0</source-plugin.version>