JIT

[3.14] GH-133779: Fix finding pyconfig.h on Windows JIT builds (GH-13… #3496

Job	Run time
Interpreter (Debug)	9m 58s
i686-pc-windows-msvc/msvc (Debug)	22m 2s
i686-pc-windows-msvc/msvc (Release)	12m 47s
x86_64-pc-windows-msvc/msvc (Debug)	22m 47s
x86_64-pc-windows-msvc/msvc (Release)	11m 13s
aarch64-pc-windows-msvc/msvc (Debug)	20m 15s
aarch64-pc-windows-msvc/msvc (Release)	16m 47s
x86_64-apple-darwin/clang (Debug)	15m 3s
x86_64-apple-darwin/clang (Release)	15m 5s
aarch64-apple-darwin/clang (Debug)	9m 57s
aarch64-apple-darwin/clang (Release)	9m 52s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 54s
x86_64-unknown-linux-gnu/gcc (Release)	6m 46s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 1s
aarch64-unknown-linux-gnu/gcc (Release)	6m 27s
	3h 17m 54s

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