chore(deps-dev): Update pytest-cov from 5.0.0 to 6.0.0 (#392)

requirements-dev.txt

@@ -4,7 +4,7 @@ markdown==3.7
 m2r2==0.3.3.post2
 mock==5.1.0
 pytest==8.3.4
-pytest-cov==5.0.0
+pytest-cov==6.0.0
 pytest-env==1.1.5
 pytest-random-order==1.1.1
 pytest-ruff==0.4.1