Use latest maven jar plugin

Author: MarkEWaite

pom.xml

@@ -33,7 +33,7 @@
         <!-- Build an executable JAR -->
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-jar-plugin</artifactId>
-        <version>3.0.2</version>
+        <version>3.2.0</version>
         <configuration>
           <archive>
             <manifest>