Update dependency org.codehaus.mojo:build-helper-maven-plugin to v3.4.0

Author: renovate[bot]

generator/pom.xml

@@ -65,7 +65,7 @@
             <plugin>
                 <groupId>org.codehaus.mojo</groupId>
                 <artifactId>build-helper-maven-plugin</artifactId>
-                <version>3.0.0</version>
+                <version>3.4.0</version>
                 <executions>
                     <execution>
                         <id>add_sources</id>