Add nixpkgs-2411 and update other nixpkgs pins #2878

Job	Run time
cabal-doExactConfig	14s
cabal	38m 39s
check-materialization-concurrency	31m 28s
check-path-support	10s
closure-size	4s
build-extra-hackages	13s
docs	57s
haskell-nix-roots-do-not-require-IFDs	20s
hix	42s
hix-cabal	10s
hydra-ifdLevel-0-and-1	20m 15s
hydra-ifdLevel-2	3m 12s
hydra-ifdLevel-3	3m 10s
hydra-without-remote-builders-ghc8107	5s
hydra-without-remote-builders-ghc9101	10s
maintainer-scripts	11s
multi-target	44s
nix-build	1h 18m 54s
nix-tools	18s
plan-extra-hackages	8s
runghc	14s
shellFor-hoogle	16s
shellFor-multiple-package	20s
shellFor-single-package	23s
shellFor-not-depends	22s
tests-benchmarks	13s
unit-tests	7s
update-docs	4s
	3h 2m 3s

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