Update macOS-based runner images to v14 #499

Job	Run time
create-splash-image	6s
collect-github-api-artifacts	3s
build-linux-user-ci	7m 28s
build-linux-dev-ci	6m 21s
build-linux-dev-hipe	7m 42s
build-linux-dev	20m 18s
build-macos-arm-dev	14m 9s
build-linux-user	19m 42s
build-macos-arm-dev-hipe	12m 41s
build-macos-dev-hipe	22m 59s
build-macos-dev	22m 30s
build-macos-arm-user	16m 1s
build-macos-user	24m 18s
build-windows-dev	10m 7s
build-windows-dev-hipe	9m 14s
build-windows-user	22m 37s
create-release	0s
	3h 36m 16s

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