Cabal fix for ghc-options -fplugin in ghc >=9.6.3 #1559

Job	Run time
runghc	8s
nix-build	29s
cabal	13s
cabal-doExactConfig	8s
multi-target	19s
shellFor-multiple-package	10s
shellFor-not-depends	12s
shellFor-hoogle	8s
shellFor-single-package	21s
tests-benchmarks	6s
unit-tests	12s
build-extra-hackages	7s
docs	28s
hix	30s
maintainer-scripts	7s
plan-extra-hackages	5s
closure-size	5s
hydra-ifdLevel-0-and-1	14s
hydra-ifdLevel-2	9s
hydra-ifdLevel-3-and-ghc-8-10	9s
hydra-ifdLevel-3-and-ghc-9-2	13s
hydra-ifdLevel-3-and-not-ghc-8-10-or-9-2	9s
check-materialization-concurrency	19s
check-path-support	8s
hix-cabal	13s
haskell-nix-roots-do-not-require-IFDs	7s
hydra-without-remote-builders	34s
nix-tools	7s
update-docs	7s
	6m 17s

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