Bump django-bootstrap4 from 24.3 to 24.4

Bumps [django-bootstrap4](https://github.com/zostera/django-bootstrap4) from 24.3 to 24.4.
- [Release notes](https://github.com/zostera/django-bootstrap4/releases)
- [Changelog](https://github.com/zostera/django-bootstrap4/blob/main/CHANGELOG.md)
- [Commits](zostera/django-bootstrap4@v24.3...v24.4)

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

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