Update minimum setuptools version (!20) · Merge requests · IGWN Computing and Software / Software / requests-pelican · GitLab

This MR updates the minimum supported version of setuptools to avoid https://git.ligo.org/computing/software/requests-pelican/-/security/vulnerabilities/371738 and https://git.ligo.org/computing/software/requests-pelican/-/security/vulnerabilities/371739.