Nix

Merge pull request #307 from deemp/fix-packagesFrom #653

# to view logs

Run time

Learn about OS # on GitHub Actions

Job	Run time
docs (ubuntu-20.04)	26s
build (ubuntu-20.04)	37s
flakes (ubuntu-20.04)	28s
build (ubuntu-22.04)	39s
build (macos-11)	3m 28s
flakes (ubuntu-22.04)	29s
build (macos-12)	3m 3s
flakes (macos-11)	3m 45s
flakes (macos-12)	2m 43s
	15m 38s