Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.4.1 to 3.6.3

Bumps [org.apache.maven.plugins:maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.4.1 to 3.6.3.
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.4.1...maven-javadoc-plugin-3.6.3)

---
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] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -270,7 +270,7 @@
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.4.1</version>
+        <version>3.6.3</version>
         <configuration>
           <excludePackageNames>com.amazonaws.services.kinesis.producer.protobuf</excludePackageNames>
         </configuration>