Fix GHC 9.12 stackage projects #3302

Job	Run time
unit-tests	17s
nix-build	3m 32s
build-extra-hackages	21s
shellFor-single-package	3m 0s
shellFor-hoogle	2m 43s
maintainer-scripts	20s
hix	1m 37s
plan-extra-hackages	24s
shellFor-not-depends	22s
shellFor-multiple-package	24s
cabal-doExactConfig	36s
runghc	1m 55s
multi-target	2m 40s
cabal	26s
tests-benchmarks	13s
hydra-ifdLevel-0-and-1	4m 17s
haskell-nix-roots-do-not-require-IFDs	25s
hydra-ifdLevel-2	20m 18s
closure-size	16s
docs	11m 26s
update-docs	20s
hydra-ifdLevel-3	30m 17s
hydra-without-remote-builders-ghc967	4m 50s
check-path-support	16s
hix-cabal	1m 30s
hydra-without-remote-builders-ghc9102	13m 48s
check-materialization-concurrency	27s
check-nix-tools	55s
	1h 47m 55s

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