Upload mac ARM build artifacts to cachix #267

Job	Run time
nix-build-book	28s
nix-fmt-check	27s
nix-build (fuel, ubuntu-latest)	46s
nix-build (fuel, macos-latest)	2m 22s
nix-build (fuel, macos-arm)	20s
nix-build (fuel-beta-1, ubuntu-latest)	37s
nix-build (fuel-beta-1, macos-latest)	2m 2s
nix-build (fuel-beta-1, macos-arm)	16s
nix-build (fuel-beta-2, ubuntu-latest)	31s
nix-build (fuel-beta-2, macos-latest)	2m 9s
nix-build (fuel-beta-2, macos-arm)	12s
nix-build (fuel-beta-3, ubuntu-latest)	46s
nix-build (fuel-beta-3, macos-latest)	2m 8s
nix-build (fuel-beta-3, macos-arm)	15s
nix-build (fuel-beta-4-rc, ubuntu-latest)	45s
nix-build (fuel-beta-4-rc, macos-latest)	2m 0s
nix-build (fuel-beta-4-rc, macos-arm)	12s
nix-build (fuel-nightly, ubuntu-latest)	51s
nix-build (fuel-nightly, macos-latest)	2m 17s
nix-build (fuel-nightly, macos-arm)	15s
nix-build (sway-vim, ubuntu-latest)	26s
nix-build (sway-vim, macos-latest)	3m 14s
nix-build (sway-vim, macos-arm)	11s
nix-develop (ubuntu-latest)	1m 29s
nix-develop (macos-latest)	3m 33s
nix-develop (macos-arm)	15s
	28m 47s

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