Update pytest-django from 4.2.0 to 4.3.0

Author: pyup-bot

requirements/requirements-testing.txt

@@ -3,6 +3,6 @@ factory-boy==3.2.0
 Faker==8.1.4
 pytest==6.2.4
 pytest-cov==2.12.0
-pytest-django==4.2.0
+pytest-django==4.3.0
 pytest-factoryboy==2.1.0
 snapshottest==0.6.0