Update django requirement from <3.3,>=2.2 to >=2.2,<4.2

Updates the requirements on [django](https://github.com/django/django) to permit the latest version.
- [Release notes](https://github.com/django/django/releases)
- [Commits](django/django@2.2...4.1)

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

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

Author: dependabot[bot]

setup.py

@@ -17,7 +17,7 @@
     packages=find_packages(exclude=['sandbox*', 'tests*']),
     include_package_data=True,
     install_requires=[
-        'django>=2.2,<3.3',
+        'django>=2.2,<4.2',
         'paypal-checkout-serversdk>=1.0.1',
         'requests>=2.26.0',
         'django-localflavor'