Update pytest-cov from 6.0.0 to 6.1.1

Author: pyup-bot

requirements/requirements-testing.txt

@@ -1,7 +1,7 @@
 factory-boy==3.3.3
 Faker==37.1.0
 pytest==8.3.5
-pytest-cov==6.0.0
+pytest-cov==6.1.1
 pytest-django==4.9.0
 pytest-factoryboy==2.7.0
 syrupy==4.8.1