Add stable-ghc-9.14 #3354

Job	Run time
unit-tests	12s
cabal	1m 26s
shellFor-hoogle	1m 39s
nix-build	2m 40s
tests-benchmarks	1m 43s
plan-extra-hackages	1m 22s
cabal-doExactConfig	30s
shellFor-multiple-package	3m 7s
multi-target	1m 2s
shellFor-single-package	1m 33s
shellFor-not-depends	1m 24s
runghc	37s
maintainer-scripts	10s
check-materialization-concurrency	23s
closure-size	8s
check-path-support	22s
haskell-nix-roots-do-not-require-IFDs	1m 8s
hydra-ifdLevel-0-and-1	6m 35s
hydra-without-remote-builders-ghc9102	4m 41s
hydra-without-remote-builders-ghc967	5m 2s
build-extra-hackages	11s
hix-cabal	3m 16s
hydra-ifdLevel-2	20m 18s
hix	1m 6s
hydra-ifdLevel-3	30m 17s
update-docs	9s
check-nix-tools	2m 23s
docs	1m 7s
	1h 34m 31s

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