Use lock-free stack for swept_pages #12892

Job	Run time
Windows 2025/Visual C++ 2022 (test-bundled-gems)	4m 27s
Windows 11-arm/Visual C++ (btest test-basic test-tool)	6m 30s
Windows 2025/Visual C++ 2022 (check)	4m 53s
Windows 2022/Visual C++ 2022 (check)	4m 18s
Windows result	3s
	20m 11s

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