Add nixpkgs-2505 #3148

Job	Run time
nix-build	3m 2s
runghc	11s
cabal	11s
unit-tests	5s
multi-target	2m 7s
cabal-doExactConfig	15s
shellFor-hoogle	2m 6s
shellFor-multiple-package	1m 18s
shellFor-not-depends	35s
shellFor-single-package	18s
tests-benchmarks	10s
build-extra-hackages	6s
closure-size	5s
docs	14m 48s
hix	1m 3s
hydra-ifdLevel-0-and-1	2m 59s
hydra-ifdLevel-2	15m 8s
hydra-ifdLevel-3	30m 16s
maintainer-scripts	6s
plan-extra-hackages	6s
check-materialization-concurrency	23s
check-path-support	6s
haskell-nix-roots-do-not-require-IFDs	16s
hix-cabal	9s
hydra-without-remote-builders-ghc9102	52s
nix-tools	13s
hydra-without-remote-builders-ghc967	6m 14s
update-docs	5s
	1h 23m 13s

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