Bump org.codehaus.mojo:build-helper-maven-plugin from 3.4.0 to 3.6.1 in /plugins/maven/graphql-java-codegen-maven-plugin

Bump org.codehaus.mojo:build-helper-maven-plugin from 3.4.0 to 3.6.1 in /plugins/maven/graphql-java-codegen-maven-plugin #1628