Add nixpkgs-2505 #3161

Job	Run time
unit-tests	10s
nix-build	1m 23s
plan-extra-hackages	12s
runghc	15s
tests-benchmarks	13s
cabal-doExactConfig	18s
shellFor-not-depends	18s
shellFor-hoogle	28s
maintainer-scripts	10s
cabal	17s
shellFor-single-package	14s
shellFor-multiple-package	19s
multi-target	49s
hix	1m 8s
check-path-support	12s
hydra-ifdLevel-3	30m 17s
update-docs	10s
hydra-without-remote-builders-ghc967	1m 29s
docs	6m 34s
hydra-without-remote-builders-ghc9102	47s
haskell-nix-roots-do-not-require-IFDs	20s
nix-tools	22s
closure-size	8s
hydra-ifdLevel-0-and-1	3m 35s
hydra-ifdLevel-2	4m 22s
check-materialization-concurrency	25s
hix-cabal	4m 41s
build-extra-hackages	14s
	59m 50s

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