build: TT-199 build(deps): bump jinja2 in /requirements/time_tracker_api (#268)

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]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Sandro Castillo <[email protected]>

Author: dependabot[bot]

requirements/time_tracker_api/prod.txt

@@ -12,7 +12,7 @@ Flask==1.1.1
 flake8==3.7.9
 WSGIserver==1.3
 Werkzeug==0.16.1
-Jinja2==2.11.1
+Jinja2==2.11.3
 
 #WSGI server
 gunicorn==20.0.4