chore(flake/treefmt-nix): `296ebf0c` -> `f56b1934` #59025

Job	Run time
flake check (x86_64-linux)	2m 59s
flake show (aarch64-darwin)	1m 2s
flake show (aarch64-linux)	1m 20s
flake check (aarch64-darwin)	4m 9s
flake check (aarch64-linux)	2m 36s
flake show (x86_64-linux)	2m 1s
get-attrs	7s
build desktop (x86_64-linux)	3m 19s
build pixel6 (aarch64-linux)	1m 28s
build pixel6-avf (aarch64-linux)	1m 52s
build devShell (aarch64-linux)	42s
build laptop (x86_64-linux)	4m 8s
build devShell (x86_64-linux)	49s
build work (x86_64-linux)	3m 54s
eval ${{ matrix.attrs.name }} (${{ matrix.attrs.hostPlatform }})	0s
build ${{ matrix.attrs.name }} (${{ matrix.attrs.hostPlatform }})	0s
build linux-builder for ${{ matrix.attrs.name }} (${{ matrix.attrs.equivalentLinuxPlatform }})	0s
check	4s
	30m 30s

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