Bump jinja2 from 3.1.4 to 3.1.6

Bumps [jinja2](https://github.com/pallets/jinja) from 3.1.4 to 3.1.6.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](pallets/jinja@3.1.4...3.1.6)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -6,7 +6,7 @@ Flask-Cors==4.0.1
 Flask-RESTful==0.3.9
 gunicorn==22.0.0
 itsdangerous==2.1.1
-Jinja2==3.1.4
+Jinja2==3.1.6
 MarkupSafe==2.1.0
 pytz==2021.3
 six==1.16.0