chore(deps): bump org.apache.maven.plugins:maven-javadoc-plugin (#881)

Bumps [org.apache.maven.plugins:maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.5.0 to 3.6.3.
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.5.0...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-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -89,7 +89,7 @@
                     <plugin>
                         <!-- Generate API docs using Doclava for the developer site -->
                         <artifactId>maven-javadoc-plugin</artifactId>
-                        <version>3.5.0</version>
+                        <version>3.6.3</version>
                         <executions>
                             <execution>
                                 <phase>site</phase>
@@ -301,7 +301,7 @@
             </plugin>
             <plugin>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.5.0</version>
+                <version>3.6.3</version>
                 <executions>
                     <execution>
                         <id>attach-javadocs</id>