Bump django-prometheus from 2.2.0 to 2.3.1

Bumps [django-prometheus](https://github.com/korfuri/django-prometheus) from 2.2.0 to 2.3.1.
- [Release notes](https://github.com/korfuri/django-prometheus/releases)
- [Changelog](https://github.com/korfuri/django-prometheus/blob/master/CHANGELOG.md)
- [Commits](korfuri/django-prometheus@v2.2.0...v2.3.1)

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

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

requirements.txt

@@ -36,7 +36,7 @@ django-treebeard==4.7
 django-cors-headers==4.6.0
 django-storages==1.14.2
 boto3==1.28.75
-django-prometheus==2.2.0
+django-prometheus==2.3.1
 django-hCaptcha==0.2.0
 python-ldap==3.4.4
 django-auth-ldap==4.6.0