Bump django-bootstrap4 from 23.2 to 23.4

Bumps [django-bootstrap4](https://github.com/zostera/django-bootstrap4) from 23.2 to 23.4.
- [Release notes](https://github.com/zostera/django-bootstrap4/releases)
- [Changelog](https://github.com/zostera/django-bootstrap4/blob/main/CHANGELOG.md)
- [Commits](zostera/django-bootstrap4@v23.2...v23.4)

---
updated-dependencies:
- dependency-name: django-bootstrap4
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements.txt

@@ -86,7 +86,7 @@ oauthlib==3.2.2
 pylti==0.7.0
 nameparser==1.1.0
 django-bootstrap3==23.6
-django-bootstrap4==23.2
+django-bootstrap4==23.4
 beautifulsoup4==4.12.0
 ua_parser==0.18.0
 user_agents==2.2.0