fix param type in PyObject_HasAttrWithError (docs) (GH-127403)

(cherry picked from commit 3afb639)

Co-authored-by: biggus-developerus <[email protected]>

Doc/c-api/object.rst

@@ -85,7 +85,7 @@ Object Protocol
    instead of the :func:`repr`.
 
 
-.. c:function:: int PyObject_HasAttrWithError(PyObject *o, const char *attr_name)
+.. c:function:: int PyObject_HasAttrWithError(PyObject *o, PyObject *attr_name)
 
    Returns ``1`` if *o* has the attribute *attr_name*, and ``0`` otherwise.
    This is equivalent to the Python expression ``hasattr(o, attr_name)``.