Merge pull request #2921 from nagelt/secand_mb

RichardsMechanics; Update mass lumping procedure.
1 job for liakopoulos in 3 minutes and 50 seconds (queued for 46 seconds)
Name Stage Failure
failed
build-container Build
    main()
File "ThirdParty/container-maker/ogscm/cli.py", line 85, in main
info = container_info(build, args)
File "/var/lib/gitlab-runner/builds/7fYGrviq/0/skai95/ogs/ThirdParty/container-maker/ogscm/container_info.py", line 55, in __init__
self.git_version = subprocess.run(
IndexError: string index out of range
Running after_script
Uploading artifacts for failed job
ERROR: Job failed: exit status 1