fix: django-cms 3.x - Remove breaking django-treebeard pinning issue (#94)

* Removed pinning.

* Update setup.py

---------

Co-authored-by: Fabian Braun <fsbraun@gmx.de>

Author: Aiky30

CHANGELOG.rst

@@ -2,14 +2,15 @@
 Changelog
 =========
 
-unreleased
+Unreleased
 ==========
 
 3.1.0 2022-09-01
 ================
 
 * Add support for ace editor loaded from static files through djangocms-static-ace
 * Add dark mode support
+* fix: Removed tight django-treebeard restriction added when 4.5.0 contained breaking changes. The core CMS and django-treebeard have since been patched to resolve the issue.
 
 3.0.0 (2020-09-02)
 ==================

setup.py

@@ -8,7 +8,6 @@
 
 REQUIREMENTS = [
     'django-cms>=3.7',
-    'django-treebeard>=4.3,<4.5',
 ]
 
 EXTRA_REQUIREMENTS = {