Bump django-environ from 0.11.2 to 0.12.0 (#11564)

Bumps [django-environ](https://github.com/joke2k/django-environ) from 0.11.2 to 0.12.0.
- [Release notes](https://github.com/joke2k/django-environ/releases)
- [Changelog](https://github.com/joke2k/django-environ/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/joke2k/django-environ/commits)

---
updated-dependencies:
- dependency-name: django-environ
  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>

requirements.txt

@@ -7,7 +7,7 @@ defusedxml==0.7.1
 django_celery_results==2.5.1
 django-auditlog==2.3.0
 django-dbbackup==4.2.1
-django-environ==0.11.2
+django-environ==0.12.0
 django-filter==24.3
 django-imagekit==5.0.0
 django-multiselectfield==0.1.13