[actions] attempt MacOS x86_64 fix by revert to 12. #1486

Job	Run time
build (ubuntu-20.04, 1, build, x86_64)	12m 4s
build (ubuntu-20.04, 1, build, x86_64)	12m 4s
build (macos-12, 2, build, x86_64)	31m 49s
build (macos-12, 2, build, x86_64)	31m 49s
build (macos-14, 3, build, aarch64)	11m 14s
build (macos-14, 3, build, aarch64)	11m 14s
build (windows-2022, 4, build, Win64)	16m 18s
build (windows-2022, 4, build, Win64)	15m 39s
build (self-hosted, linux, arm64, 5, build, aarch64)	15m 53s
build (self-hosted, linux, arm64, 5, build, aarch64)	15m 53s
build (ubuntu-22.04, test, 3.9, 7)	9m 30s
build (ubuntu-22.04, test, 3.9, 7)	9m 30s
build (ubuntu-22.04, test, 3.10, 8)	9m 7s
build (ubuntu-22.04, test, 3.10, 8)	9m 7s
build (ubuntu-22.04, test, 3.11, 9)	9m 33s
build (ubuntu-22.04, test, 3.11, 9)	9m 33s
	3h 50m 17s

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