Bump jinja2 from 2.11.1 to 2.11.3 in /hyperlpr_py3

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>

hyperlpr_py3/requirements.txt

@@ -15,7 +15,7 @@ grpcio==1.27.2
 h5py==2.10.0
 imageio==2.8.0
 itsdangerous==1.1.0
-Jinja2==2.11.1
+Jinja2==2.11.3
 joblib==0.14.1
 Keras==2.1.1
 Keras-Applications==1.0.8