Make things more complicated for GHCR #118

Job	Run time
runtime-container-job	1m 31s
builder-container-job	5m 53s
spacktainer-build-job (appositionizer)	3m 18s
spacktainer-build-job (brain-indexer)	4m 42s
spacktainer-build-job (brayns)	8m 34s
spacktainer-build-job (connectome-manipulator)	9m 12s
spacktainer-build-job (functionalizer)	14m 4s
spacktainer-build-job (multiscale-run)	6m 8s
spacktainer-build-job (neurodamus-hippocampus)	4m 45s
spacktainer-build-job (neurodamus-neocortex)	5m 19s
spacktainer-build-job (system-benchmarks)	2m 22s
	1h 5m 48s

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