Add nixpkgs-2505 #3159

Job	Run time
unit-tests	14s
tests-benchmarks	12s
shellFor-hoogle	20s
nix-build	56s
multi-target	37s
maintainer-scripts	11s
shellFor-multiple-package	17s
build-extra-hackages	11s
runghc	12s
shellFor-single-package	22s
cabal-doExactConfig	12s
shellFor-not-depends	21s
cabal	14s
plan-extra-hackages	10s
check-path-support	18s
hix-cabal	15s
nix-tools	19s
check-materialization-concurrency	24s
update-docs	9s
hydra-ifdLevel-3	30m 19s
haskell-nix-roots-do-not-require-IFDs	13s
hix	58s
closure-size	7s
hydra-without-remote-builders-ghc967	58s
docs	36s
hydra-without-remote-builders-ghc9102	50s
hydra-ifdLevel-2	3m 2s
hydra-ifdLevel-0-and-1	2m 8s
	45m 5s

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