chore(deps): update dependency pytest-cov to v6

Author: renovate[bot]

pyproject.toml

@@ -50,7 +50,7 @@ flower = "^2.0.1"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.0.0"
-pytest-cov = "^5.0.0"
+pytest-cov = "^6.0.0"
 mike = "^2.0.0"
 mkdocs = "^1.2.2"
 mkdocs-material = "^9.0.0"