Update pom.xml

Author: bartveenstra

pom.xml

@@ -471,7 +471,7 @@
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-gpg-plugin</artifactId>
-                        <version>1.6</version>
+                        <version>3.0.1</version>
                         <executions>
                             <execution>
                                 <id>sign-artifacts</id>
@@ -542,4 +542,4 @@
             </build>
         </profile>
     </profiles>
-</project>
+</project>