Bump jinja2 from 2.11.2 to 2.11.3 in /examples/research_projects/lxmert (#10818)

Bumps [jinja2](https://github.com/pallets/jinja) from 2.11.2 to 2.11.3.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/master/CHANGES.rst)
- [Commits](https://github.com/pallets/jinja/compare/2.11.2...2.11.3

)
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/research_projects/lxmert/requirements.txt

@@ -28,7 +28,7 @@ ipython
 ipython-genutils==0.2.0
 ipywidgets==7.5.1
 jedi==0.17.2
-Jinja2==2.11.2
+Jinja2==2.11.3
 joblib==0.16.0
 jsonschema==3.2.0
 jupyter==1.0.0