gh-106320: Fix specialize.c compilation by including pycore_pylifecycle.h (#106434)
Compilation of Python/specialize.c was broken on macOS for me by gh-106400.
diff --git a/Python/specialize.c b/Python/specialize.c
index 22c58e2..a3fce2e 100644
--- a/Python/specialize.c
+++ b/Python/specialize.c
@@ -9,6 +9,7 @@
#include "pycore_opcode.h" // _PyOpcode_Caches
#include "structmember.h" // struct PyMemberDef, T_OFFSET_EX
#include "pycore_descrobject.h"
+#include "pycore_pylifecycle.h" // _PyOS_URandomNonblock()
#include <stdlib.h> // rand()