[CI] Update Nix toolbox #727
nix-action-coq-master.yml
on: pull_request_target
coq
1m 5s
coq-elpi-tests-stdlib
1m 31s
mathcomp-experimental-reals
2m 4s
coqeal
3m 41s
mathcomp-analysis-stdlib
10m 39s
odd-order
9m 9s