Bump jinja2 in /examples/research_projects/decision_transformer

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.4 to 3.1.5.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.4...3.1.5)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

examples/research_projects/decision_transformer/requirements.txt

@@ -92,7 +92,7 @@ itsdangerous==2.1.1
 jax==0.3.4
 jaxlib==0.3.2
 jedi==0.18.1
-Jinja2==3.1.4
+Jinja2==3.1.5
 jinja2-time==0.2.0
 jmespath==0.10.0
 joblib==1.2.0