chore(deps): bump django-countries from 8.2.0 to 9.1.0

Bumps [django-countries](https://github.com/SmileyChris/django-countries) from 8.2.0 to 9.1.0.
- [Changelog](https://github.com/SmileyChris/django-countries/blob/main/CHANGES.md)
- [Commits](SmileyChris/django-countries@v8.2.0...v9.1.0)

---
updated-dependencies:
- dependency-name: django-countries
  dependency-version: 9.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -18,7 +18,7 @@ dependencies = [
     "django-allauth==65.19.3",
     "django-apptemplates==1.5",
     "django-celery-beat==2.9.0",
-    "django-countries==8.2.0",
+    "django-countries==9.1.0",
     "django-csp==4.0",
     "django-extensions==4.1",
     "django-filter==26.1",