bpo-41078: Rename pycore_tupleobject.h to pycore_tuple.h (GH-21056)

diff --git a/Objects/rangeobject.c b/Objects/rangeobject.c
index 751dbb9..ba6d425 100644
--- a/Objects/rangeobject.c
+++ b/Objects/rangeobject.c
@@ -1,8 +1,8 @@
 /* Range object implementation */
 
 #include "Python.h"
-#include "pycore_abstract.h"   // _PyIndex_Check()
-#include "pycore_tupleobject.h"
+#include "pycore_abstract.h"      // _PyIndex_Check()
+#include "pycore_tuple.h"         // _PyTuple_ITEMS()
 #include "structmember.h"         // PyMemberDef
 
 /* Support objects whose length is > PY_SSIZE_T_MAX.