Bump jinja2 from 2.11.1 to 2.11.3

Bumps [jinja2](https://github.com/pallets/jinja) from 2.11.1 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/2.11.1...2.11.3)

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -21,7 +21,7 @@ ipywebrtc==0.5.0
 ipywidgets==7.5.1
 isort==4.3.21
 jedi==0.16.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 joblib==0.14.1
 json5==0.9.4
 jsonschema==3.2.0