bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async (GH-13464)

Automatically replace
tp_print -> tp_vectorcall_offset
tp_compare -> tp_as_async
tp_reserved -> tp_as_async
diff --git a/Modules/_io/stringio.c b/Modules/_io/stringio.c
index bb5c373..9e9724d 100644
--- a/Modules/_io/stringio.c
+++ b/Modules/_io/stringio.c
@@ -1007,10 +1007,10 @@
     sizeof(stringio),                    /*tp_basicsize*/
     0,                                         /*tp_itemsize*/
     (destructor)stringio_dealloc,              /*tp_dealloc*/
-    0,                                         /*tp_print*/
+    0,                                         /*tp_vectorcall_offset*/
     0,                                         /*tp_getattr*/
     0,                                         /*tp_setattr*/
-    0,                                         /*tp_reserved*/
+    0,                                         /*tp_as_async*/
     0,                                         /*tp_repr*/
     0,                                         /*tp_as_number*/
     0,                                         /*tp_as_sequence*/