Update pytest-django from 4.8.0 to 4.9.0

Author: pyup-bot

requirements/requirements-testing.txt

@@ -2,6 +2,6 @@ factory-boy==3.3.1
 Faker==30.1.0
 pytest==8.3.3
 pytest-cov==5.0.0
-pytest-django==4.8.0
+pytest-django==4.9.0
 pytest-factoryboy==2.7.0
 syrupy==4.7.1