Bump pytest-django from 4.8.0 to 4.9.0 (#288)

Bumps [pytest-django](https://github.com/pytest-dev/pytest-django) from 4.8.0 to 4.9.0.
- [Release notes](https://github.com/pytest-dev/pytest-django/releases)
- [Changelog](https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst)
- [Commits](pytest-dev/pytest-django@v4.8.0...v4.9.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -4,7 +4,7 @@ git+https://github.com/ministryofjustice/opg-response.git@9d8dc7673aed3790d49a79
 django-health-check==3.18.3
 django-decorator-include
 pytest-mock
-pytest-django==4.8.0
+pytest-django==4.9.0
 python-dotenv==1.0.1
 gunicorn==22.0.0
 psycopg2-binary==2.9.9