Update dependency org.apache.maven.plugins:maven-jar-plugin to v3.1.2 (#673)

Author: renovate-bot

pom.xml

@@ -310,7 +310,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-jar-plugin</artifactId>
-          <version>3.0.2</version>
+          <version>3.1.2</version>
           <executions>
             <execution>
               <goals>