RFC-2735: Add TRES Billing Weights

[Swarsel]

This addresses the issue that GPU (and mem) usage is not reflected in the current Billing to compute the Fairshare Factor in SLURM

RFC: https://vbc.atlassian.net/wiki/spaces/ITS/pages/3334635523/RFC-2735+Add+billing+weight+for+TRES+to+SLURM

[Swarsel]

Here is an example output:

[root@clip-control-0 ~]# sbatch -p g --gres=gpu:1 --tasks-per-node=1 --cpus-per-task=8 --time=10 --wrap "nvidia-smi"
Submitted batch job 9213114
[root@clip-control-0 ~]# scontrol show job 9213114
JobId=9213114 JobName=wrap
   UserId=root(0) GroupId=root(0) MCS_label=N/A
   Priority=100553 Nice=0 Account=root QOS=g_short
   JobState=COMPLETED Reason=None Dependency=(null)
   Requeue=1 Restarts=0 BatchFlag=1 Reboot=0 ExitCode=0:0
   RunTime=00:00:00 TimeLimit=00:10:00 TimeMin=N/A
   SubmitTime=2024-11-20T14:27:31 EligibleTime=2024-11-20T14:27:31
   AccrueTime=2024-11-20T14:27:31
   StartTime=2024-11-20T14:27:34 EndTime=2024-11-20T14:27:34 Deadline=N/A
   SuspendTime=None SecsPreSuspend=0 LastSchedEval=2024-11-20T14:27:34 Scheduler=Main
   Partition=g AllocNode:Sid=clip-control-0:23641
   ReqNodeList=(null) ExcNodeList=(null)
   NodeList=clip-g1-4
   BatchHost=clip-g1-4
   NumNodes=1 NumCPUs=8 NumTasks=1 CPUs/Task=8 ReqB:S:C:T=0:0:*:*
   ReqTRES=cpu=8,mem=32G,node=1,billing=26,gres/gpu=1
   AllocTRES=cpu=8,mem=32G,node=1,billing=26,gres/gpu=1
   Socks/Node=* NtasksPerN:B:S:C=1:0:*:* CoreSpec=*
   MinCPUsNode=8 MinMemoryCPU=4G MinTmpDiskNode=0
   Features=(null) DelayBoot=00:00:00
   OverSubscribe=OK Contiguous=0 Licenses=(null) Network=(null)
   Command=(null)
   WorkDir=/root
   StdErr=/root/slurm-9213114.out
   StdIn=/dev/null
   StdOut=/root/slurm-9213114.out
   TresPerNode=gres/gpu:1
   TresPerTask=cpu=8

[ebirn]

tracked as RFC-2735