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/_json.c b/Modules/_json.c
index 4faa9cc..e3aa997 100644
--- a/Modules/_json.c
+++ b/Modules/_json.c
@@ -1257,10 +1257,10 @@
     sizeof(PyScannerObject), /* tp_basicsize */
     0,                    /* tp_itemsize */
     scanner_dealloc, /* tp_dealloc */
-    0,                    /* tp_print */
+    0,                    /* tp_vectorcall_offset */
     0,                    /* tp_getattr */
     0,                    /* tp_setattr */
-    0,                    /* tp_compare */
+    0,                    /* tp_as_async */
     0,                    /* tp_repr */
     0,                    /* tp_as_number */
     0,                    /* tp_as_sequence */
@@ -1849,10 +1849,10 @@
     sizeof(PyEncoderObject), /* tp_basicsize */
     0,                    /* tp_itemsize */
     encoder_dealloc, /* tp_dealloc */
-    0,                    /* tp_print */
+    0,                    /* tp_vectorcall_offset */
     0,                    /* tp_getattr */
     0,                    /* tp_setattr */
-    0,                    /* tp_compare */
+    0,                    /* tp_as_async */
     0,                    /* tp_repr */
     0,                    /* tp_as_number */
     0,                    /* tp_as_sequence */