Bump django-storages from 1.7.1 to 1.7.2

Bumps [django-storages](https://github.com/jschneier/django-storages) from 1.7.1 to 1.7.2.
- [Release notes](https://github.com/jschneier/django-storages/releases)
- [Changelog](https://github.com/jschneier/django-storages/blob/master/CHANGELOG.rst)
- [Commits](jschneier/django-storages@1.7.1...1.7.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

requirements.txt

@@ -91,7 +91,7 @@ elasticsearch>=2.0.0,<8.0.0
 django-bootstrap3-datetimepicker-2==2.8.2
 
 # AWS S3 dependencies
-django-storages==1.7.1
+django-storages==1.7.2
 
 # Django Caches
 python-memcached<=1.59