Bump maven-javadoc-plugin from 3.2.0 to 3.4.0 in /json-smart (#85)

Bumps [maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.2.0 to 3.4.0.
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.2.0...maven-javadoc-plugin-3.4.0)

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

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

json-smart/pom.xml

@@ -95,7 +95,7 @@
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-javadoc-plugin</artifactId>
-						<version>3.2.0</version>
+						<version>3.4.0</version>
 						<configuration>
                           <source>8</source>
                 		</configuration>
@@ -185,7 +185,7 @@
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.2.0</version>
+				<version>3.4.0</version>
 				<!-- ONLY NEEDED With jdk 1.7+ -->
 				<configuration>
                     <source>8</source>