Bump jinja2 from 2.11.1 to 2.11.3 in /examples/die_vs_data_rest_api

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](pallets/jinja@2.11.1...2.11.3)

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

Author: dependabot[bot]

examples/die_vs_data_rest_api/requirements.txt

@@ -8,7 +8,7 @@ filelock==3.0.12
 Flask==1.1.2
 idna==2.9
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 jmespath==0.9.5
 joblib==0.14.1
 MarkupSafe==1.1.1