Fix #1: Use GitLab API directly
This commit directly invokes GitLab API using HTTP requests instead of using gitlab Python package: invoking GitLab API directly requires less permissions, so that CI_JOB_TOKEN can be used to manage containers.
[A venir] Mise en place de quotas sur nos instances GitLab. Plus d'information sur : https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
[Coming soon] Quotas installation on our GitLab instances. More information: https://doc-si.inria.fr/pages/viewpage.action?pageId=129728565
This commit directly invokes GitLab API using HTTP requests instead of using gitlab Python package: invoking GitLab API directly requires less permissions, so that CI_JOB_TOKEN can be used to manage containers.