build(deps): update django-guardian requirement from <2.4.1 to <3.3.3

Updates the requirements on [django-guardian](https://github.com/django-guardian/django-guardian) to permit the latest version.
- [Release notes](https://github.com/django-guardian/django-guardian/releases)
- [Commits](django-guardian/django-guardian@0.1.0...3.3.2)

---
updated-dependencies:
- dependency-name: django-guardian
  dependency-version: 3.3.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -56,7 +56,7 @@ dependencies = [
     "django-markdownify==0.9.5",
     "django-mptt==0.16.0",
     "django-treebeard==4.7.1",
-    "django-guardian<2.4.1",
+    "django-guardian<3.3.3",
     "django-downloadview==2.4.0",
     "django-polymorphic==4.0.0",
     "django-tastypie<0.15.0",