build(deps): bump django in /tests/opentelemetry-docker-tests/tests (#4404)

Bumps [django](https://github.com/django/django) from 4.2.29 to 4.2.30.
- [Commits](https://github.com/django/django/compare/4.2.29...4.2.30)

---
updated-dependencies:
- dependency-name: django
  dependency-version: 4.2.30
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Riccardo Magliocchetti <riccardo.magliocchetti@gmail.com>