build(deps): update onnxscript requirement from <0.6.0,>=0.2.2 to >=0.2.2,<0.7.0 in /requirements (#21646)

build(deps): update onnxscript requirement in /requirements

Updates the requirements on [onnxscript](https://github.com/microsoft/onnxscript) to permit the latest version.
- [Release notes](https://github.com/microsoft/onnxscript/releases)
- [Commits](https://github.com/microsoft/onnxscript/compare/v0.2.2...v0.6.2)

---
updated-dependencies:
- dependency-name: onnxscript
  dependency-version: 0.6.2
  dependency-type: direct:production
...

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