Bump org.apache.maven.plugins:maven-javadoc-plugin in /json-smart (#197)

Author: dependabot[bot]

json-smart/pom.xml

@@ -114,7 +114,7 @@ limitations under the License.
 					<plugin>
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-javadoc-plugin</artifactId>
-						<version>3.6.3</version>
+						<version>3.7.0</version>
 						<configuration>
                           <source>8</source>
                 		</configuration>
@@ -204,7 +204,7 @@ limitations under the License.
 			<plugin>
 				<groupId>org.apache.maven.plugins</groupId>
 				<artifactId>maven-javadoc-plugin</artifactId>
-				<version>3.6.3</version>
+				<version>3.7.0</version>
 				<!-- ONLY NEEDED With jdk 1.7+ -->
 				<configuration>
                     <source>8</source>