Merge pull request #86 from uclapi/dependabot/pip/django-1.11.23

[Security] Bump django from 1.11.20 to 1.11.23

Author: zipy124

requirements.txt

@@ -1,7 +1,7 @@
 certifi==2019.3.9
 chardet==3.0.4
 dj-database-url==0.5.0
-Django==1.11.20
+Django==1.11.23
 django-dotenv==1.4.2
 django-webpack-loader==0.6.0
 eventbrite==3.3.3