gh-144712: Export _Py_jit_entry symbol via PyAPI_DATA #2349

Job	Run time
aarch64-unknown-linux-gnu/gcc	7m 11s
x86_64-apple-darwin/clang	20m 33s
x86_64-unknown-linux-gnu/gcc	9m 53s
x86_64-pc-windows-msvc/msvc-free-threading	4m 40s
aarch64-apple-darwin/clang	9m 46s
x86_64-pc-windows-msvc/msvc	11m 2s
x86_64-unknown-linux-gnu/gcc-free-threading	8m 45s
	1h 11m 50s

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