Update internal flake.lock #1219

Job	Run time
examples-darwin	1m 11s
check-dead-code	22s
examples-linux (alt-registry)	1m 10s
check-fmt	34s
examples-linux (build-std)	1m 9s
tests (https://releases.nixos.org/nix/nix-2.18.2/install)	1m 9s
examples-linux (cross-musl)	1m 7s
examples-linux (cross-rust-overlay)	1m 11s
tests (https://releases.nixos.org/nix/nix-2.18.2/install, --override-input nixpkgs $(./ci/ref-fro...	1m 8s
examples-linux (cross-windows)	1m 12s
examples-linux (custom-toolchain)	1m 11s
examples-linux (end-to-end-testing)	1m 11s
examples-linux (quick-start)	1m 11s
examples-linux (quick-start-simple)	1m 8s
examples-linux (quick-start-workspace)	1m 7s
examples-linux (sqlx)	1m 11s
examples-linux (trunk-workspace)	1m 8s
examples-linux (trunk)	1m 10s
all systems go	1s
	19m 31s

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