Upload mac ARM build artifacts to cachix #237

Job	Run time
nix-build-book	36s
nix-fmt-check	24s
nix-build (fuel, ubuntu-latest)	9s
nix-build (fuel, macos-latest)	56s
nix-build (fuel, macos-arm)	1m 11s
nix-build (fuel-beta-1, ubuntu-latest)	8s
nix-build (fuel-beta-1, macos-latest)	50s
nix-build (fuel-beta-1, macos-arm)	11s
nix-build (fuel-beta-2, ubuntu-latest)	8s
nix-build (fuel-beta-2, macos-latest)	55s
nix-build (fuel-beta-2, macos-arm)	8s
nix-build (fuel-beta-3, ubuntu-latest)	11s
nix-build (fuel-beta-3, macos-latest)	57s
nix-build (fuel-beta-3, macos-arm)	1s
nix-build (fuel-beta-4-rc, ubuntu-latest)	9s
nix-build (fuel-beta-4-rc, macos-latest)	59s
nix-build (fuel-beta-4-rc, macos-arm)	1s
nix-build (fuel-nightly, ubuntu-latest)	9s
nix-build (fuel-nightly, macos-latest)	38s
nix-build (fuel-nightly, macos-arm)	1s
nix-build (sway-vim, ubuntu-latest)	9s
nix-build (sway-vim, macos-latest)	31s
nix-build (sway-vim, macos-arm)	1s
nix-develop	1s
	9m 24s

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