Add nixpkgs-2505 #3170

Job	Run time
cabal	23s
cabal-doExactConfig	20s
multi-target	1m 1s
nix-build	1m 51s
runghc	18s
shellFor-multiple-package	26s
shellFor-single-package	30s
tests-benchmarks	16s
unit-tests	11s
build-extra-hackages	13s
check-materialization-concurrency	26s
check-path-support	10s
closure-size	9s
docs	36m 31s
hix	54s
hydra-ifdLevel-0-and-1	4m 4s
hydra-ifdLevel-2	20m 15s
hydra-ifdLevel-3	30m 15s
maintainer-scripts	10s
plan-extra-hackages	11s
shellFor-not-depends	34s
shellFor-hoogle	22s
update-docs	10s
haskell-nix-roots-do-not-require-IFDs	24s
hix-cabal	14s
hydra-without-remote-builders-ghc9102	1m 28s
hydra-without-remote-builders-ghc967	2m 1s
nix-tools	25s
	1h 44m 12s

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