Bump django-filer from 1.4.4 to 1.5.0
Bump django-filer from 1.4.4 to 1.5.0

Bumps [django-filer](https://github.com/divio/django-filer) from 1.4.4 to 1.5.0.
- [Release notes](https://github.com/divio/django-filer/releases)
- [Changelog](https://github.com/divio/django-filer/blob/develop/CHANGELOG.txt)
- [Commits](https://github.com/divio/django-filer/compare/1.4.4...1.5.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
Karspexet/Karspexet,Karspexet/Karspexet,Karspexet/Karspexet,Karspexet/Karspexet,Karspexet/Karspexet