build(deps): bump django-crispy-forms from 2.0 to 2.1 in /server

Bumps [django-crispy-forms](https://github.com/django-crispy-forms/django-crispy-forms) from 2.0 to 2.1.
- [Release notes](https://github.com/django-crispy-forms/django-crispy-forms/releases)
- [Changelog](https://github.com/django-crispy-forms/django-crispy-forms/blob/main/CHANGELOG.md)
- [Commits](django-crispy-forms/django-crispy-forms@2.0...2.1)

---
updated-dependencies:
- dependency-name: django-crispy-forms
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

server/requirements/common.txt

@@ -6,7 +6,7 @@ django-celery-beat==2.5.0
 django-celery-results==2.5.1
 django-cleanup==8.0.0
 django-constance[database]==3.1.0
-django-crispy-forms==2.0
+django-crispy-forms==2.1
 django-dbbackup==4.0.2
 django-ipware==5.0.1
 djangorestframework==3.14.0