JIT

gh-115999: Use light-weight lock for UNPACK_SEQUENCE_LIST #2282

Job	Run time
Interpreter (Debug)	7m 3s
Free-Threaded (Debug) (19)	10m 25s
i686-pc-windows-msvc/msvc (Debug)	17m 16s
i686-pc-windows-msvc/msvc (Release)	10m 51s
x86_64-pc-windows-msvc/msvc (Debug)	19m 6s
x86_64-pc-windows-msvc/msvc (Release)	10m 52s
aarch64-pc-windows-msvc/msvc (Debug)	4m 44s
aarch64-pc-windows-msvc/msvc (Release)	5m 37s
x86_64-apple-darwin/clang (Debug)	20m 36s
x86_64-apple-darwin/clang (Release)	10m 19s
aarch64-apple-darwin/clang (Debug)	9m 42s
aarch64-apple-darwin/clang (Release)	10m 9s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 32s
x86_64-unknown-linux-gnu/gcc (Release)	5m 26s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 10m 55s
aarch64-unknown-linux-gnu/gcc (Release)	34m 14s
	4h 14m 47s

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