changing default lustre version to LTS
2_13 is the lustre feature branch, whereas 2_12 is the LTS
GitLab Downtime Notice
Date: Monday, 28 April Time: 9:00 AM – 12:00 PM (AEST) Reason: System patching to version 17.10.52_13 is the lustre feature branch, whereas 2_12 is the LTS