Automatic update of fbcode/onnx to ab6b94203c595f74b1f126eb118eef22e4c05a57 (#26736)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26736
Previous import was 23bb6ea1a71f08e200114a153f48bd7adb66d486
Included changes:
- **[ab6b9420](https://github.com/onnx/onnx/commit/ab6b9420)**: Relax IF's shape inference rule (#2345) <Wei-Sheng Chin>
- **[c5af774a](https://github.com/onnx/onnx/commit/c5af774a)**: Clarify behavior in ConvTranspose (#2343) <Wei-Sheng Chin>
- **[a20ba2f1](https://github.com/onnx/onnx/commit/a20ba2f1)**: Fix node test case model for Gemm scalar bias case (#2342) <Hariharan Seshadri>
- **[1aa176e0](https://github.com/onnx/onnx/commit/1aa176e0)**: Update pybind (#2340) <Changming Sun>
- **[7840504d](https://github.com/onnx/onnx/commit/7840504d)**: Update gen_doc script to validate proto3 files (#2122) <Raymond Yang>
- **[bd35e623](https://github.com/onnx/onnx/commit/bd35e623)**: Fix some backend tests (#2335) <Hariharan Seshadri>
Test Plan: ci
Reviewed By: hl475
Differential Revision: D17552449
fbshipit-source-id: 424acb261b54fc98485f782f6922b11b28c836eb
