Include import APIs in JIT stencils

Summary: Meta Python's lazy-import bytecodes call private import helpers while generating JIT stencils. Include their declarations in the stencil template, matching the 3.15 and main branches.

Reviewed By: ambv

Differential Revision: D122684784

fbshipit-source-id: 1b40a962ba36765c5fea12c8c2e12c57d2c803e2

Author: itamaro

Tools/jit/template.c

@@ -12,6 +12,7 @@
 #include "pycore_frame.h"
 #include "pycore_function.h"
 #include "pycore_genobject.h"
+#include "pycore_import.h"
 #include "pycore_interpframe.h"
 #include "pycore_interpolation.h"
 #include "pycore_intrinsics.h"