Merge pull request #1297 from foarsitter/django51

Add Django 5.1 as classifier

Author: tfranzel

setup.py

@@ -87,6 +87,7 @@ def get_version(package):
         'Framework :: Django :: 4.1',
         'Framework :: Django :: 4.2',
         'Framework :: Django :: 5.0',
+        'Framework :: Django :: 5.1',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: BSD License',
         'Operating System :: OS Independent',