Update django-modeltranslation requirement

Updates the requirements on [django-modeltranslation](https://github.com/deschler/django-modeltranslation) to permit the latest version.
- [Release notes](https://github.com/deschler/django-modeltranslation/releases)
- [Changelog](https://github.com/deschler/django-modeltranslation/blob/master/CHANGELOG.txt)
- [Commits](deschler/django-modeltranslation@0.11...0.13.2)

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

requirements.txt

@@ -27,7 +27,7 @@ django-jsonfield<1.2.1
 django-jsonfield-compat<=0.4.4
 django-taggit==0.24.0
 django-mptt==0.9.1
-django-modeltranslation>=0.11,<=0.12.2
+django-modeltranslation>=0.11,<0.13.3
 django-treebeard==4.3
 django-guardian<=1.4.9
 django-downloadview<=1.9