Bump jinja2 from 2.10.1 to 2.11.3 in /crawl

Bumps [jinja2](https://github.com/pallets/jinja) from 2.10.1 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@2.10.1...2.11.3)

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

Author: dependabot[bot]

crawl/requirements.txt

@@ -6,7 +6,7 @@ colorlog==3.1.0
 html5lib==0.999999999
 idna==2.9
 IPy==0.83
-Jinja2==2.10.1
+Jinja2==2.11.3
 lxml==4.6.3
 MarkupSafe==1.1.1
 Naked==0.1.31