Upload mac ARM build artifacts to cachix #250

Job	Run time
nix-fmt-check	29s
nix-build (fuel, ubuntu-latest)	1m 17s
nix-build (fuel, macos-latest)	6m 37s
nix-build (fuel, macos-arm)	8s
nix-build (fuel-beta-1, ubuntu-latest)	48s
nix-build (fuel-beta-1, macos-latest)	3m 5s
nix-build (fuel-beta-1, macos-arm)	8s
nix-build (fuel-beta-2, ubuntu-latest)	53s
nix-build (fuel-beta-2, macos-latest)	3m 5s
nix-build (fuel-beta-2, macos-arm)	8s
nix-build (fuel-beta-3, ubuntu-latest)	50s
nix-build (fuel-beta-3, macos-latest)	3m 45s
nix-build (fuel-beta-3, macos-arm)	9s
nix-build (fuel-beta-4-rc, ubuntu-latest)	51s
nix-build (fuel-beta-4-rc, macos-latest)	3m 21s
nix-build (fuel-beta-4-rc, macos-arm)	8s
nix-build (fuel-nightly, ubuntu-latest)	1m 6s
nix-build (fuel-nightly, macos-latest)	3m 13s
nix-build (fuel-nightly, macos-arm)	8s
nix-build (sway-vim, ubuntu-latest)	42s
nix-build (sway-vim, macos-latest)	3m 7s
nix-build (sway-vim, macos-arm)	9s
nix-build-book	36s
nix-develop	0s
	34m 43s

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