Bump redis from 4.5.3 to 4.5.4 in /examples/research_projects/decision_transformer (#22494)

Bump redis in /examples/research_projects/decision_transformer

Bumps [redis](https://github.com/redis/redis-py) from 4.5.3 to 4.5.4.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](https://github.com/redis/redis-py/compare/v4.5.3...v4.5.4

)

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

@@ -175,7 +175,7 @@ pytz==2022.1
 pytz-deprecation-shim==0.1.0.post0
 PyYAML==6.0
 ray==1.11.0
-redis==4.5.3
+redis==4.5.4
 regex==2022.3.15
 requests==2.27.1
 requests-oauthlib==1.3.1