Bump org.codehaus.gmavenplus:gmavenplus-plugin from 4.0.1 to 4.2.0 (jenkins-infra#4413)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -30,7 +30,7 @@
             <plugin><!-- run unit test in src/test/java -->
                 <groupId>org.codehaus.gmavenplus</groupId>
                 <artifactId>gmavenplus-plugin</artifactId>
-                <version>4.0.1</version>
+                <version>4.2.0</version>
                 <!-- version specified in grandparent pom -->
                 <executions>
                     <execution>