Update Maven in native-build-image to use latest version

Author: malowe-ef

native-build-agent/Dockerfile

@@ -19,7 +19,7 @@ FROM registry.access.redhat.com/quarkus/mandrel-23-rhel8:${MANDREL_VERSION}
 ARG NODE_VERSION=v18.20.2
 ARG NPM_VERSION=9.6.6
 ARG YARN_VERSION=1.22.19
-ARG MVN_VERSION=3.8.8
+ARG MVN_VERSION=3.9.6
 
 USER root