bump version of tools in CI docker image
New docker image use the following versions:
- ubuntu 22.04
- openjdk 17
- maven 3.8.8
Closes #395 (closed)
GitLab upgrade completed. Current version is 18.3.6
https://about.gitlab.com/releases/2025/07/17/gitlab-18-2-released/
https://about.gitlab.com/releases/2025/08/21/gitlab-18-3-released/
New docker image use the following versions:
Closes #395 (closed)