Bump djangorestframework-filters from 0.8.0 to 0.11.1

Bumps [djangorestframework-filters](https://github.com/philipn/django-rest-framework-filters) from 0.8.0 to 0.11.1.
- [Release notes](https://github.com/philipn/django-rest-framework-filters/releases)
- [Changelog](https://github.com/philipn/django-rest-framework-filters/blob/master/CHANGELOG.rst)
- [Commits](philipn/django-rest-framework-filters@v0.8.0...v0.11.1)

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

Author: dependabot-support

requirements.txt

@@ -2,7 +2,7 @@ Django==1.11.11
 
 # REST
 djangorestframework==3.5.3
-djangorestframework-filters==0.8.0
+djangorestframework-filters==0.11.1
 djangorestframework-jwt==1.9.0
 djoser==1.1.5
 django-extra-fields