Merge pull request #3433 from django-oscar/dependabot/pip/django-extensions-gte-2.2-and-lt-3.1

Update django-extensions requirement from <2.3,>=2.2 to >=2.2,<3.1

requirements.txt

@@ -3,7 +3,7 @@
 # development
 Werkzeug>=1.0,<1.1
 django-debug-toolbar>=2.2,<2.3
-django-extensions>=2.2,<2.3
+django-extensions>=2.2,<3.1
 psycopg2-binary>=2.8,<2.9
 
 # Sandbox