pythongh-138516: fix typo in OrderedDict exception msg (pythonGH-138517)

(cherry picked from commit e9c2a35)

Co-authored-by: asas1asas200 <[email protected]>

Author: asas1asas200

Objects/odictobject.c

@@ -1508,7 +1508,7 @@ odict_init(PyObject *self, PyObject *args, PyObject *kwds)
     if (len == -1)
         return -1;
     if (len > 1) {
-        const char *msg = "expected at most 1 arguments, got %zd";
+        const char *msg = "expected at most 1 argument, got %zd";
         PyErr_Format(PyExc_TypeError, msg, len);
         return -1;
     }