Change 120f to 120 for cuda 12.8.0 #1007

Job	Run time
eessi_container_script (listrepos_default)	1m 39s
eessi_container_script (exec)	3m 10s
eessi_container_script (run)	2m 31s
eessi_container_script (container)	2m 23s
eessi_container_script (unionfs)	2m 20s
eessi_container_script (no_cvmfs_mounts)	2m 40s
eessi_container_script (shell)	2m 33s
eessi_container_script (help)	1m 21s
eessi_container_script (listrepos_custom)	1m 24s
eessi_container_script (resume)	2m 12s
	22m 13s

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