I have some doubts about the data: the government of France has supposedly 1 repos, but for instance the French Statistics Office has 244 repos [0], the "digital" team of the Prime Minister's services has at least 537 repos, and that's what's on top of my head.
[0] https://github.com/orgs/InseeFrLab/repositories + https://github.com/orgs/InseeFr/repositories
[1] https://github.com/orgs/etalab/repositories + https://github.com/betagouv