Bump org.apache.maven.plugins:maven-javadoc-plugin in /json-smart-action (#293)

Bumps [org.apache.maven.plugins:maven-javadoc-plugin](https://github.com/apache/maven-javadoc-plugin) from 3.11.2 to 3.12.0.
- [Release notes](https://github.com/apache/maven-javadoc-plugin/releases)
- [Commits](apache/maven-javadoc-plugin@maven-javadoc-plugin-3.11.2...maven-javadoc-plugin-3.12.0)

---
updated-dependencies:
- dependency-name: org.apache.maven.plugins:maven-javadoc-plugin
  dependency-version: 3.12.0
  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]

json-smart-action/pom.xml

@@ -89,7 +89,7 @@
                         <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-javadoc-plugin -->
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-javadoc-plugin</artifactId>
-						<version>3.11.2</version>
+						<version>3.12.0</version>
 						<configuration>
                           <source>8</source>
                 		</configuration>
@@ -185,7 +185,7 @@
                 <!-- https://mvnrepository.com/artifact/org.apache.maven.plugins/maven-javadoc-plugin -->
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.11.2</version>
+				<version>3.12.0</version>
                 <!-- ONLY NEEDED With jdk 1.7+ -->
                 <configuration>
                     <source>8</source>