Bump django from 3.0.1 to 3.0.3

Bumps [django](https://github.com/django/django) from 3.0.1 to 3.0.3.
- [Release notes](https://github.com/django/django/releases)
- [Commits](https://github.com/django/django/compare/3.0.1...3.0.3)

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,5 +1,5 @@
 croniter==0.3.30
-Django==3.0.1
+Django==3.0.3
 django-compressor==2.4
 psycopg2==2.8.4
 pytz==2019.3