Upload mac ARM build artifacts to cachix #258

Job	Run time
nix-build-book	29s
nix-fmt-check	23s
nix-build (fuel, ubuntu-latest)	1m 16s
nix-build (fuel, macos-latest)	4m 28s
nix-build (fuel, macos-arm)	53s
nix-build (fuel-beta-1, ubuntu-latest)	46s
nix-build (fuel-beta-1, macos-latest)	4m 50s
nix-build (fuel-beta-1, macos-arm)	1m 32s
nix-build (fuel-beta-2, ubuntu-latest)	51s
nix-build (fuel-beta-2, macos-latest)	5m 54s
nix-build (fuel-beta-2, macos-arm)	9s
nix-build (fuel-beta-3, ubuntu-latest)	52s
nix-build (fuel-beta-3, macos-latest)	3m 19s
nix-build (fuel-beta-3, macos-arm)	10s
nix-build (fuel-beta-4-rc, ubuntu-latest)	54s
nix-build (fuel-beta-4-rc, macos-latest)	12m 23s
nix-build (fuel-beta-4-rc, macos-arm)	10s
nix-build (fuel-nightly, ubuntu-latest)	1m 1s
nix-build (fuel-nightly, macos-latest)	3m 28s
nix-build (fuel-nightly, macos-arm)	1m 1s
nix-build (sway-vim, ubuntu-latest)	49s
nix-build (sway-vim, macos-latest)	4m 26s
nix-build (sway-vim, macos-arm)	9s
nix-develop	1s
	50m 14s

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