Update django-formtools requirement from ~=2.4 to ~=2.5

Updates the requirements on [django-formtools](https://github.com/jazzband/django-formtools) to permit the latest version.
- [Changelog](https://github.com/jazzband/django-formtools/blob/master/docs/changelog.rst)
- [Commits](jazzband/django-formtools@2.4...2.5.1)

---
updated-dependencies:
- dependency-name: django-formtools
  dependency-type: direct:production
...

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

requirements.txt

@@ -9,7 +9,7 @@ crispy-bootstrap5==2023.10
 # this is a fork of django-bootstrap-breadcrumbs
 # we might need to think about migrating away from this completely
 django-bootstrap-breadcrumbs2==1.0.0
-django-formtools~=2.4
+django-formtools~=2.5
 django-recaptcha~=4.0.0
 Django==4.2.6
 django-activity-stream==2.0.0