Update django-oscar requirement from <3.2,>=2.0 to >=2.0,<3.3

Updates the requirements on [django-oscar](https://github.com/django-oscar/django-oscar) to permit the latest version.
- [Release notes](https://github.com/django-oscar/django-oscar/releases)
- [Changelog](https://github.com/django-oscar/django-oscar/blob/master/CHANGELOG.rst)
- [Commits](django-oscar/django-oscar@2.0.0...3.2)

---
updated-dependencies:
- dependency-name: django-oscar
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements.txt

@@ -1,5 +1,5 @@
 # Testing
-django-oscar>=2.0,<3.2
+django-oscar>=2.0,<3.3
 django-webtest==1.9.10
 tox>=3.20<4
 pytest-django==4.5.2