build(deps): bump django from 2.2.13 to 2.2.18 in /demo_proj

dependabot[bot] · web-flow · commit 0e5bb341d7bb · 2021-04-02T15:27:25.000Z
Bumps [django](https://github.com/django/django) from 2.2.13 to 2.2.18. - [Release notes](https://github.com/django/django/releases) - [Commits](django/django@2.2.13...2.2.18) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/demo_proj/requirements.txt b/demo_proj/requirements.txt
@@ -4,7 +4,7 @@ cffi==1.14.0
 constantly==15.1.0
 cryptography==3.3.2
 cssselect==1.1.0
-Django==2.2.13
+Django==2.2.18
 django-cors-headers==3.3.0
 django-covid19
 django-crontab==0.7.1
