Bump jinja2 from 3.0.2 to 3.0.3

Bumps [jinja2](https://github.com/pallets/jinja) from 3.0.2 to 3.0.3.
- [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/3.0.2...3.0.3)

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

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==2.0.2
-jinja2==3.0.2
+jinja2==3.0.3
 lxml==4.6.4
 pygments==2.10.0
 python-dateutil==2.8.2