Add nixpkgs-2505 #3172

Job	Run time
cabal	23s
cabal-doExactConfig	15s
nix-build	2m 1s
unit-tests	9s
runghc	19s
build-extra-hackages	11s
docs	42s
hix	1m 1s
hydra-ifdLevel-0-and-1	5m 6s
maintainer-scripts	13s
multi-target	34s
plan-extra-hackages	16s
shellFor-hoogle	17s
shellFor-multiple-package	35s
shellFor-not-depends	21s
shellFor-single-package	22s
tests-benchmarks	13s
check-materialization-concurrency	24s
check-path-support	9s
closure-size	8s
hydra-ifdLevel-2	12m 16s
hydra-ifdLevel-3	30m 16s
update-docs	8s
haskell-nix-roots-do-not-require-IFDs	40s
hix-cabal	11s
hydra-without-remote-builders-ghc9102	52s
hydra-without-remote-builders-ghc967	1m 2s
nix-tools	28s
	59m 32s

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