Bump jinja2 from 2.9.6 to 2.11.3

Bumps [jinja2](https://github.com/pallets/jinja) from 2.9.6 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@2.9.6...2.11.3)

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

Author: dependabot[bot]

requirements.txt

@@ -17,7 +17,7 @@ google-auth==2.3.3
 google-cloud-compute==1.0.0
 google-cloud-storage==2.1.0
 isort==5.7.0
-jinja2==2.9.6
+jinja2==2.11.3
 MarkupSafe==2.0.1
 multidict==5.1.0
 nose==1.3.7