.gitlab-ci.yml: reset file timestamps to avoid rerunning simulations #164
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We run a sequence of GitLab CI jobs each executing snakemake with ever higher level targets. The products of those targets (e.g. simulations) exist on a shared disk, but checkout of detector_benchmarks repo is private to each job and receives an updated timestamp every time GitLab produces a copy. This messes with targets that depend on files coming from the detector_benchmarks repo itself. This is an attempt at fixing that behaviour.
cc @simonge