text: Title: tox build fails on django main
  Body: **Describe the bug**
  
  Tox build fails when running against lastest django version 
  
  **To Reproduce**
  
  ```
  tox -e py310-djangomain-tablibstable
  ```
  
  ```
  django.utils.deprecation.RemovedInDjango50Warning: The "default.html" templates for forms and formsets will be removed. 
  These were proxies to the equivalent "table.html" templates, but the new "div.html" templates will be the default from Django 5.0. 
  Transitional renderers are provided to allow you to opt-in to the new output style now. See https://docs.djangoproject.com/en/dev/releases/4.1/ for more details
  ```
  
  **Versions (please complete the following information):**
   - Django Import Export: 2.8.1
   - Python 3.10
   - Django 4.1
   
  https://docs.djangoproject.com/en/dev/releases/4.1/
  
  [test_mixins_fail.txt](https://github.com/django-import-export/django-import-export/files/8873082/test_mixins_fail.txt)
  
  