Update django-cms requirement from <4.0,>=3.7 to >=3.7,<5.0

Updates the requirements on [django-cms](https://github.com/django-cms/django-cms) to permit the latest version.
- [Release notes](https://github.com/django-cms/django-cms/releases)
- [Changelog](https://github.com/django-cms/django-cms/blob/4.1.2/CHANGELOG.rst)
- [Commits](django-cms/django-cms@3.7.0...4.1.2)

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

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

setup.cfg

@@ -30,7 +30,7 @@ classifiers =
 [options]
 include_package_data = True
 install_requires =
-	django-cms>=3.7,<4.0
+	django-cms>=3.7,<5.0
 	django-meta>=2.4.0
 	django-filer>=3.0
 setup_requires =