macOS

Ractor: revert to moving object bytes, but size pool aware #8018

Job	Run time
make (check, macos-14)	6m 15s
make (check, macos-14, --with-gcc=gcc-14)	6m 38s
make (check, macos-14, --with-jemalloc --with-opt-dir=$(brew --prefix jemalloc))	5m 49s
make (check, macos-14, --with-gmp)	5m 22s
make (test-all, --repeat-count=2, macos-14)	9m 26s
make (test-bundler-parallel, macos-14)	20m 42s
make (test-bundled-gems, macos-14)	8m 25s
make (check, macos-15)	4m 54s
make (check, macos-13)	11m 21s
macOS result	1s
	1h 18m 53s

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