Merge pull request #280 from SAML-Toolkits/dependabot/pip/demo-bottle/jinja2-2.11.3

Bump jinja2 from 2.7.3 to 2.11.3 in /demo-bottle

Author: pitbulk

demo-bottle/requirements.txt

@@ -1,4 +1,4 @@
 bottle==0.12.20
 beaker==1.6.4
 paste==1.7.5.1
-jinja2==2.7.3
+jinja2==2.11.3