gh-144712: Export _Py_jit_entry symbol via PyAPI_DATA #2350

Job	Run time
x86_64-pc-windows-msvc/msvc-free-threading	5m 16s
x86_64-unknown-linux-gnu/gcc-free-threading	8m 22s
aarch64-unknown-linux-gnu/gcc	7m 35s
aarch64-apple-darwin/clang	9m 33s
x86_64-pc-windows-msvc/msvc	10m 22s
x86_64-unknown-linux-gnu/gcc	10m 50s
x86_64-apple-darwin/clang	14m 23s
	1h 6m 21s

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