Bump onnx from 1.11.0 to 1.13.0 in /examples/research_projects/decision_transformer (#21331)

Bump onnx in /examples/research_projects/decision_transformer

Bumps [onnx](https://github.com/onnx/onnx) from 1.11.0 to 1.13.0.
- [Release notes](https://github.com/onnx/onnx/releases)
- [Changelog](https://github.com/onnx/onnx/blob/main/docs/Changelog.md)
- [Commits](https://github.com/onnx/onnx/compare/v1.11.0...v1.13.0

)

---
updated-dependencies:
- dependency-name: onnx
  dependency-type: direct:production
...
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examples/research_projects/decision_transformer/requirements.txt

@@ -119,7 +119,7 @@ nltk==3.7
 numba==0.55.1
 numpy==1.22.3
 oauthlib==3.2.1
-onnx==1.11.0
+onnx==1.13.0
 onnxconverter-common==1.9.0
 opt-einsum==3.3.0
 optax==0.1.1