build(deps): bump django from 2.2.12 to 2.2.13

dependabot[bot] · web-flow · commit 000b07d932ce · 2020-06-06T11:40:49.000Z
Bumps [django](https://github.com/django/django) from 2.2.12 to 2.2.13. - [Release notes](https://github.com/django/django/releases) - [Commits](django/django@2.2.12...2.2.13) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/requirements.txt b/requirements.txt
@@ -6,7 +6,7 @@ chardet==3.0.4
 constantly==15.1.0
 cryptography==2.9
 cssselect==1.1.0
-Django==2.2.12
+Django==2.2.13
 django-cors-headers==3.2.1
 django-crontab==0.7.1
 django-filter==2.2.0
