Deprecated warning on Django 3

[sebastian-code]

Django is triggering a deprecation warning due to the usage of a function that will be removed in Django 4. The error message is the following:

/usr/local/lib/python3.9/site-packages/admin_volt/utils.py:273: RemovedInDjango40Warning: django.utils.translation.ugettext_lazy() is deprecated in favor of django.utils.translation.gettext_lazy().
    'label': app.get('name', capfirst(_(app['app_label']))),