Update dependency org.codehaus.gmavenplus:gmavenplus-plugin to v4 (#59)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

pom.xml

@@ -139,7 +139,7 @@
                 <plugin>
                     <groupId>org.codehaus.gmavenplus</groupId>
                     <artifactId>gmavenplus-plugin</artifactId>
-                    <version>3.0.2</version>
+                    <version>4.2.1</version>
                 </plugin>
 
                 <!--  Code coverage reporting -->