Automatic update of fbcode/onnx to 1cbe2743cda739ff752d6ce79553b0ef8ad49783 (#12676)

Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/12676

Previous import was 06f6d63d5529e3a94533c9f34c402be1793420b1

Included changes:
- **[1cbe274](https://github.com/onnx/onnx/commit/1cbe274)**: fix the optimizer (#1510) <Lu Fang>
- **[481ad99](https://github.com/onnx/onnx/commit/481ad99)**: Fix TensorProto int32_data comment (#1509) <Lutz Roeder>
- **[f04fbe0](https://github.com/onnx/onnx/commit/f04fbe0)**: fix ninja external (#1507) <Rui Zhu>

Reviewed By: jamesr66a, wanchaol

Differential Revision: D10388438

fbshipit-source-id: 298100589ce226c63d4e58edf185c9227fd52c85
diff --git a/third_party/onnx b/third_party/onnx
index 06f6d63..1cbe274 160000
--- a/third_party/onnx
+++ b/third_party/onnx
@@ -1 +1 @@
-Subproject commit 06f6d63d5529e3a94533c9f34c402be1793420b1
+Subproject commit 1cbe2743cda739ff752d6ce79553b0ef8ad49783