fix(udf): use object.__setattr__ for 3.0.0 compatibility (#122)

Author: cpcloud

ibis_bigquery/udf/__init__.py

@@ -243,7 +243,7 @@ def compiles_udf_node(t, expr):
         @functools.wraps(f)
         def wrapped(*args, **kwargs):
             node = udf_node(*args, **kwargs)
-            node.js = js
+            object.__setattr__(node, "js", js)
             return node.to_expr()
 
         wrapped.__signature__ = signature