[torchlib] Add memory_format to ones_like (#2049)

It was missing

Author: justinchuby

onnxscript/function_libs/torch_lib/ops/core.py

@@ -6476,6 +6476,7 @@ def aten_ones_like(
     layout: str = "",
     device: str = "",
     pin_memory: bool = False,
+    memory_format: str = "",
 ) -> TTensor:
     """ones_like(Tensor self, *, ScalarType? dtype=None, Layout? layout=None, Device? device=None, bool? pin_memory=None, MemoryFormat? memory_format=None) -> Tensor