Update django-admin-interface requirement from ~=0.26.0 to ~=0.28.6

Updates the requirements on [django-admin-interface](https://github.com/fabiocaccamo/django-admin-interface) to permit the latest version.
- [Release notes](https://github.com/fabiocaccamo/django-admin-interface/releases)
- [Changelog](https://github.com/fabiocaccamo/django-admin-interface/blob/main/CHANGELOG.md)
- [Commits](fabiocaccamo/django-admin-interface@0.26.0...0.28.6)

---
updated-dependencies:
- dependency-name: django-admin-interface
  dependency-type: direct:production
...

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

requirements.txt

@@ -9,7 +9,7 @@ requests~=2.31.0
 djangorestframework~=3.14.0
 git+https://github.com/Rurusetto/rurusetto-django-allauth.git
 django-colorfield~=0.10.1
-django-admin-interface~=0.26.0
+django-admin-interface~=0.28.6
 python-decouple~=3.8
 python-dateutil~=2.8.2
 boto3~=1.28.10