Bumps pytest-django from 4.11.1 to 4.12.0.

Sourced from pytest-django's changelog.

v4.12.0 (2026-02-14)

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

• Official Python 3.14 support.
• Dropped support for Python 3.9, minimum version is now Python 3.10.
• Official Django 6.0 support.

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

• The :ref:multiple databases <multi-db> support added in v4.3.0 is no longer considered experimental.
• Added :func:@pytest.mark.django_isolate_apps <pytest.mark.django_isolate_apps> for isolating Django's app registry in pytest tests, and a :fixture:django_isolated_apps fixture to access the isolated Apps registry instance if needed.

• a2a9495 Release 4.12.0
• 020bc23 tests: make sure access to default can also be blocked
• bcefbe8 Add support for isolating apps in tests
• 39c8dcc plugin: add a note why we reorder tests
• 1830acd pyproject.toml: require pytest 9 for self tests, switch to native toml config...
• f19da08 Fix the order of the test cases that use the live_server fixture
• 92858ee docs: add pytest 9.0+ native TOML configuration format
• 3f550d9 build(deps): bump hynek/build-and-inspect-python-package
• 1f50dd2 Drop obsolete traces of Django 5.0 in CI
• 247ec1c Fix PytestCollectionWarning for TestRunner class (#1259)
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot show <dependency name> ignore conditions will show all of the ignore conditions of the specified dependency
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)