Add stable-ghc-9.14 #3357

Job	Run time
cabal	18s
nix-build	7m 9s
unit-tests	11s
runghc	19s
check-materialization-concurrency	24s
shellFor-multiple-package	30s
tests-benchmarks	15s
hydra-ifdLevel-3	21m 7s
docs	1m 3s
maintainer-scripts	11s
closure-size	9s
update-docs	10s
cabal-doExactConfig	18s
shellFor-single-package	34s
multi-target	52s
shellFor-hoogle	23s
plan-extra-hackages	11s
hydra-ifdLevel-2	19m 58s
build-extra-hackages	15s
shellFor-not-depends	31s
hydra-ifdLevel-0-and-1	4m 18s
hix	46s
haskell-nix-roots-do-not-require-IFDs	24s
check-path-support	12s
hydra-without-remote-builders-ghc9102	9s
hydra-without-remote-builders-ghc967	11s
hix-cabal	22s
check-nix-tools	24s
	1h 1m 34s

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