Add nixpkgs-2505 #3146

Job	Run time
cabal	48s
nix-build	3m 15s
runghc	5m 30s
unit-tests	56s
cabal-doExactConfig	45s
maintainer-scripts	6s
shellFor-hoogle	42s
multi-target	8m 38s
shellFor-multiple-package	17s
shellFor-not-depends	20s
shellFor-single-package	25s
tests-benchmarks	9s
build-extra-hackages	45s
check-materialization-concurrency	20s
check-path-support	7m 10s
closure-size	5s
docs	40s
hix	1m 11s
hydra-ifdLevel-0-and-1	5m 3s
hydra-ifdLevel-2	19m 49s
hydra-ifdLevel-3	30m 10s
plan-extra-hackages	9s
update-docs	6s
haskell-nix-roots-do-not-require-IFDs	36s
hix-cabal	16s
hydra-without-remote-builders-ghc9102	3m 12s
hydra-without-remote-builders-ghc967	3m 36s
nix-tools	2m 59s
	1h 37m 58s

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