chore(deps): update dependency pytest-cov to v7

Author: renovate[bot]

poetry.lock

@@ -24,7 +24,7 @@ mypy = "^1.17.1"
 nbqa = "^1.9.1"
 pre-commit = "^4.3.0"
 pytest = "^8.4.1"
-pytest-cov = "^6.2.1"
+pytest-cov = "^7.0.0"
 ruff = "^0.12.11"
 
 [build-system]