Bump jinja2 from 3.0.3 to 3.1.0

Bumps [jinja2](https://github.com/pallets/jinja) from 3.0.3 to 3.1.0.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/main/CHANGES.rst)
- [Commits](https://github.com/pallets/jinja/compare/3.0.3...3.1.0)

---
updated-dependencies:
- dependency-name: jinja2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -2,7 +2,7 @@ certifi==2021.10.8
 babel==2.9.1
 flask-babel==2.0.0
 flask==2.0.3
-jinja2==3.0.3
+jinja2==3.1.0
 lxml==4.8.0
 pygments==2.11.2
 python-dateutil==2.8.2