chore: upgrade mvn version to 3.8

[svor]

Related Issue: https://issues.redhat.com/browse/CRW-6270

Upgrades Maven to 3.8.5 version:

projects $ mvn --version
Apache Maven 3.8.5 (Red Hat 3.8.5-6)
Maven home: /usr/share/maven
Java version: 17.0.12, vendor: Red Hat, Inc., runtime: /usr/lib/jvm/java-17-openjdk-17.0.12.0.7-2.el8.x86_64
Default locale: en, platform encoding: UTF-8
OS name: "linux", version: "5.15.0-75-generic", arch: "amd64", family: "unix"

Built by: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=64380991

Resulted image: registry-proxy.engineering.redhat.com/rh-osbs/devspaces-udi-rhel8:devspaces-3-rhel-8-containers-candidate-72176-20240920135412