Try using macos-latest #1110

Job	Run time
check-dead-code	24s
check-fmt	27s
examples-darwin	38m 52s
examples-linux (alt-registry)	49s
tests (https://nixos.org/nix/install)	1m 50s
examples-linux (build-std)	1m 50s
tests (https://releases.nixos.org/nix/nix-2.18.2/install, --override-input nixpkgs $(./ci/ref-fro...	2m 17s
examples-linux (cross-musl)	1m 15s
examples-linux (cross-rust-overlay)	53s
examples-linux (cross-windows)	1m 0s
examples-linux (custom-toolchain)	1m 13s
examples-linux (end-to-end-testing)	3m 32s
examples-linux (quick-start)	1m 6s
examples-linux (quick-start-simple)	48s
examples-linux (quick-start-workspace)	1m 8s
examples-linux (sqlx)	47s
examples-linux (trunk-workspace)	5m 9s
examples-linux (trunk)	3m 56s
all systems go	0s
	1h 7m 16s

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