Bump org.apache.maven.plugins:maven-javadoc-plugin (#1433)

Bumps [org.apache.maven.plugins:maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.6.2 to 3.6.3.
- [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
...

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

Author: dependabot[bot]

plugins/maven/graphql-java-codegen-maven-plugin/pom.xml

@@ -63,7 +63,7 @@
         <version.maven-compiler-plugin>3.12.1</version.maven-compiler-plugin>
         <version.maven-resources-plugin>3.3.1</version.maven-resources-plugin>
         <version.maven-source-plugin>3.3.0</version.maven-source-plugin>
-        <version.maven-javadoc-plugin>3.6.2</version.maven-javadoc-plugin>
+        <version.maven-javadoc-plugin>3.6.3</version.maven-javadoc-plugin>
         <version.maven-deploy-plugin>3.1.1</version.maven-deploy-plugin>
         <version.nexus-staging-maven-plugin>1.6.13</version.nexus-staging-maven-plugin>
         <version.maven-release-plugin>3.0.1</version.maven-release-plugin>