Automatic update of fbcode/onnx to 079c2639f9bb79b1774d1e3bfa05b0c093816ca7 (#18841)

update of fbcode/onnx to 079c2639f9bb79b1774d1e3bfa05b0c093816ca7 (#18841)

Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18841

Previous import was f0d7df2c643c4e37f1fd7735ef02c972c4d19fb5

Included changes:
- **[079c2639](https://github.com/onnx/onnx/commit/079c2639)**: update the squeeze and unsqueeze doc (#1905) <Lu Fang>
- **[a8b45d62](https://github.com/onnx/onnx/commit/a8b45d62)**: fix the ir_version onnx-operators.proto (#1903) <Lu Fang>

Reviewed By: zrphercule

Differential Revision: D14767158

fbshipit-source-id: 2d772fece45e25d72bf1d10fad156189397f3f86