Bump django from 2.2.8 to 2.2.13 in /backend

dependabot[bot] · web-flow · commit 5ca78967bf22 · 2020-06-05T22:00:08.000Z
Bumps [django](https://github.com/django/django) from 2.2.8 to 2.2.13. - [Release notes](https://github.com/django/django/releases) - [Commits](django/django@2.2.8...2.2.13) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/backend/requirements.txt b/backend/requirements.txt
@@ -1,4 +1,4 @@
-Django==2.2.8
+Django==2.2.13
 psycopg2-binary==2.7.5
 dj-database-url==0.4.1
 ipython==5.3.0

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-Django==2.2.8`
	`1`	`+Django==2.2.13`
`2`	`2`	`psycopg2-binary==2.7.5`
`3`	`3`	`dj-database-url==0.4.1`
`4`	`4`	`ipython==5.3.0`