[deps] Update pytest-django requirement from ~=4.8.0 to ~=4.9.0

[dependabot[bot]]

Updates the requirements on pytest-django to permit the latest version.

Release notes

Sourced from pytest-django's releases.

v4.9.0

https://github.com/pytest-dev/pytest-django/blob/main/docs/changelog.rst#v490-2024-09-02

Changelog

Sourced from pytest-django's changelog.

v4.9.0 (2024-09-02)

Compatibility ^^^^^^^^^^^^^

• Added official support for Django 5.1.
• Dropped support for Django 3.2 and 4.1.

Improvements ^^^^^^^^^^^^

• Respect the string_if_invalid template setting when --fail-on-template-vars is active and :func:@pytest.mark.ignore_template_errors <pytest.mark.ignore_template_errors> is used.

• Avoid running database migrations for :class:~django.test.SimpleTestCase unittest tests.

• Added docstrings to public fixtures.

Bugfixes ^^^^^^^^

• Fix type hints for pytest_django.asserts.assertFormError() and pytest_django.asserts.assertForSetError().

v4.8.0 (2024-01-30)

Improvements ^^^^^^^^^^^^

• Added pytest_django.asserts.assertMessages() to mimic the behaviour of the :meth:~django.contrib.messages.test.MessagesTestMixin.assertMessages method for Django versions >= 5.0.

Bugfixes ^^^^^^^^

• Fix --help/--version crash in a partially configured app.

v4.7.0 (2023-11-08)

Compatibility ^^^^^^^^^^^^^

... (truncated)

Commits

• 1157a7c Release 4.9.0
• 089843c Add a few type annotations
• d878d56 Add a missing type annotation
• 19605d7 fail-on-template-vars: modernize stack inspection code (#1129)
• c746a46 Avoid running database migrations for SimpleTestCase (#1120)
• 8502a12 Replace psycopg2, psycopg2cffi -> psycopg in testing and docs
• 52b2205 Drop support for EOL Django 3.2, 4.1, add support for 5.1
• c66f9d3 ci: use trusted publishing for release
• 30602a2 tox: update ruff, mypy
• a39b910 Bump pypa/gh-action-pypi-publish from 1.8.10 to 1.10.0
• Additional commits viewable in compare view

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