Add nixpkgs-2505 #3163

Job	Run time
nix-build	20s
unit-tests	9s
runghc	27s
cabal	14s
cabal-doExactConfig	17s
shellFor-hoogle	15s
closure-size	8s
shellFor-multiple-package	18s
shellFor-single-package	21s
hydra-ifdLevel-3	30m 18s
check-materialization-concurrency	24s
multi-target	36s
update-docs	9s
maintainer-scripts	9s
docs	41s
check-path-support	9s
tests-benchmarks	13s
hydra-ifdLevel-2	3m 0s
hix	39s
plan-extra-hackages	10s
shellFor-not-depends	22s
build-extra-hackages	11s
hydra-ifdLevel-0-and-1	2m 22s
hydra-without-remote-builders-ghc9102	1m 13s
hix-cabal	13s
nix-tools	14s
hydra-without-remote-builders-ghc967	46s
haskell-nix-roots-do-not-require-IFDs	17s
	44m 35s

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