Add stable-ghc-9.14 #3355

Job	Run time
shellFor-multiple-package	41s
cabal	28s
cabal-doExactConfig	35s
nix-build	2m 44s
unit-tests	9s
tests-benchmarks	37s
shellFor-not-depends	23s
shellFor-hoogle	45s
maintainer-scripts	11s
multi-target	1m 3s
shellFor-single-package	22s
runghc	13s
hydra-without-remote-builders-ghc9102	5m 57s
docs	9m 40s
hydra-without-remote-builders-ghc967	3m 26s
hydra-ifdLevel-3	30m 18s
plan-extra-hackages	13s
hix	50s
build-extra-hackages	12s
hydra-ifdLevel-2	20m 17s
hix-cabal	29s
check-materialization-concurrency	23s
closure-size	7s
check-nix-tools	19s
update-docs	10s
hydra-ifdLevel-0-and-1	5m 44s
haskell-nix-roots-do-not-require-IFDs	32s
check-path-support	23s
	1h 27m 11s

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