Bump cryptography from 36.0.2 to 39.0.1 in /examples/research_projects/decision_transformer (#21507)

Bump cryptography in /examples/research_projects/decision_transformer

Bumps [cryptography](https://github.com/pyca/cryptography) from 36.0.2 to 39.0.1.
- [Release notes](https://github.com/pyca/cryptography/releases)
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pyca/cryptography/compare/36.0.2...39.0.1)

---
updated-dependencies:
- dependency-name: cryptography
  dependency-type: direct:production
...

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examples/research_projects/decision_transformer/requirements.txt

@@ -34,7 +34,7 @@ cmd2==2.4.0
 codecarbon==1.2.0
 colorlog==6.6.0
 cookiecutter==2.1.1
-cryptography==36.0.2
+cryptography==39.0.1
 csvw==2.0.0
 cycler==0.11.0
 Cython==0.29.28