[skip ci] Set test owners for serialization tests (#66862)

Summary:
Action following https://github.com/pytorch/pytorch/issues/66232

cc mruberry

Pull Request resolved: https://github.com/pytorch/pytorch/pull/66862

Reviewed By: saketh-are

Differential Revision: D31828615

Pulled By: janeyx99

fbshipit-source-id: 8d28970eead9d6f26e9ea64b823295d9c9e1469d
diff --git a/test/test_serialization.py b/test/test_serialization.py
index a1f38df..3c3529e 100644
--- a/test/test_serialization.py
+++ b/test/test_serialization.py
@@ -1,3 +1,5 @@
+# Owner(s): ["module: serialization"]
+
 import torch
 import unittest
 import io