Bump django-treebeard from 4.7.1 to 4.8.0 (#5147)

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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -159,7 +159,7 @@ django-mptt==0.18.0
     # via geotrek (setup.py)
 django-tinymce==5.0.0
     # via mapentity
-django-treebeard==4.7.1
+django-treebeard==4.8.0
     # via geotrek (setup.py)
 django-weasyprint==2.4.0
     # via