Bump django-treebeard from 4.7.1 to 4.8.0

Bumps [django-treebeard](https://github.com/django-treebeard/django-treebeard) from 4.7.1 to 4.8.0.
- [Changelog](https://github.com/django-treebeard/django-treebeard/blob/master/CHANGES.md)
- [Commits](django-treebeard/django-treebeard@4.7.1...4.8.0)

---
updated-dependencies:
- dependency-name: django-treebeard
  dependency-version: 4.8.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

test_reqs.txt

@@ -1,4 +1,4 @@
-django-treebeard==4.7.1
+django-treebeard==4.8.0
 importlib-metadata==8.7.0  # for flake8
 typing_extensions==4.15.0
 zipp==3.23.0  # for flake8