GH-131238: More refactoring of core header files (GH-131351)

Adds new pycore_stats.h header file to help break dependencies involving the pycore_code.h header.

Include/internal/pycore_call.h

@@ -9,6 +9,7 @@ extern "C" {
 #endif
 
 #include "pycore_pystate.h"       // _PyThreadState_GET()
+#include "pycore_stats.h"
 
 /* Suggested size (number of positional arguments) for arrays of PyObject*
    allocated on a C stack to avoid allocating memory on the heap memory. Such