Bump django-treebeard from 4.6.0 to 4.6.1 (GeoNode#10629)

Bumps [django-treebeard](https://github.com/django-treebeard/django-treebeard) from 4.6.0 to 4.6.1.
- [Release notes](https://github.com/django-treebeard/django-treebeard/releases)
- [Changelog](https://github.com/django-treebeard/django-treebeard/blob/master/CHANGES.md)
- [Commits](django-treebeard/django-treebeard@4.6.0...4.6.1)

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

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

Author: dependabot[bot]

requirements.txt

@@ -38,7 +38,7 @@ django-taggit==1.5.1
 django-markdownify==0.9.2
 django-mptt==0.14.0
 django-modeltranslation>=0.11,<0.19.0
-django-treebeard==4.6.0
+django-treebeard==4.6.1
 django-guardian<2.4.1
 django-downloadview==2.3.0
 django-polymorphic==3.1.0