Sng4onnx

- Fixed to restore metadata

- Fixed to restore metadata

What's Changed
* Fixed to restore metadata by PINTO0309 in https://github.com/PINTO0309/sng4onnx/pull/2


**Full Changelog**: https://github.com/PINTO0309/sng4onnx/compare/1.0.2...1.0.3

- Fix to preserve `domain` and `ir_version`

What's Changed
* Fix to preserve `domain` and `ir_version` by PINTO0309 in https://github.com/PINTO0309/sng4onnx/pull/1

New Contributors
* PINTO0309 made their first contribution in https://github.com/PINTO0309/sng4onnx/pull/1

**Full Changelog**: https://github.com/PINTO0309/sng4onnx/compare/1.0.1...1.0.2

- ICON

- Initial release