Add SweepChunk to native MarkSweepSpace #296

Job	Run time
setup-test-matrix	11s
minimal-tests-core/x86_64-unknown-linux-gnu/1.71.1	14m 32s
minimal-tests-core/x86_64-unknown-linux-gnu/1.77.0	14m 21s
minimal-tests-core/x86_64-unknown-linux-gnu/stable	15m 18s
minimal-tests-core/i686-unknown-linux-gnu/1.71.1	13m 2s
minimal-tests-core/i686-unknown-linux-gnu/1.77.0	12m 31s
minimal-tests-core/i686-unknown-linux-gnu/stable	14m 30s
minimal-tests-core/x86_64-apple-darwin/1.71.1	14m 13s
minimal-tests-core/x86_64-apple-darwin/1.77.0	18m 39s
minimal-tests-core/x86_64-apple-darwin/stable	17m 59s
	2h 15m 16s

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