gh-119344: Make critical section API public #88

Job	Run time
Free-Threaded (Debug)	10m 3s
i686-pc-windows-msvc/msvc (Debug)	3m 6s
i686-pc-windows-msvc/msvc (Release)	2m 17s
x86_64-pc-windows-msvc/msvc (Debug)	3m 7s
x86_64-pc-windows-msvc/msvc (Release)	3m 7s
aarch64-pc-windows-msvc/msvc (Debug)	3m 11s
aarch64-pc-windows-msvc/msvc (Release)	3m 33s
x86_64-apple-darwin/clang (Debug)	14m 10s
x86_64-apple-darwin/clang (Release)	17m 2s
aarch64-apple-darwin/clang (Debug)	10m 29s
aarch64-apple-darwin/clang (Release)	25m 21s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 18s
x86_64-unknown-linux-gnu/gcc (Release)	11m 21s
x86_64-unknown-linux-gnu/clang (Debug)	8m 17s
x86_64-unknown-linux-gnu/clang (Release)	12m 1s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 9m 17s
aarch64-unknown-linux-gnu/gcc (Release)	48m 27s
aarch64-unknown-linux-gnu/clang (Debug)	1h 4m 12s
aarch64-unknown-linux-gnu/clang (Release)	36m 7s
	5h 53m 26s

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