Bump werkzeug from 2.0.3 to 2.2.3 in /examples/research_projects/decision_transformer (#21658)

Bump werkzeug in /examples/research_projects/decision_transformer

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 2.0.3 to 2.2.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/werkzeug/compare/2.0.3...2.2.3

)

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

@@ -233,7 +233,7 @@ urllib3==1.26.9
 wasabi==0.9.0
 wcwidth==0.2.5
 websocket-client==1.3.1
-Werkzeug==2.0.3
+Werkzeug==2.2.3
 wrapt==1.14.0
 xxhash==3.0.0
 yarl==1.7.2