Bump jinja2 from 2.8 to 2.10.1

Bumps [jinja2](https://github.com/pallets/jinja) from 2.8 to 2.10.1.
- [Release notes](https://github.com/pallets/jinja/releases)
- [Changelog](https://github.com/pallets/jinja/blob/master/CHANGES.rst)
- [Commits](pallets/jinja@2.8...2.10.1)

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

requirements.txt

@@ -10,7 +10,7 @@ coverage==4.0.3
 decorator==4.0.6
 docutils==0.12
 FormEncode==1.3.0
-Jinja2==2.8
+Jinja2==2.10.1
 lazy-object-proxy==1.2.1
 lxml==4.6.2
 MarkupSafe==0.23