chore(deps): update dependency pytest-cov to v6 (#737)

Author: renovate[bot]

poetry.lock

@@ -79,7 +79,7 @@ proxy-py = "~2.4.0"
 pydoc-markdown = "~4.8.0"
 pytest = "~8.3.0"
 pytest-asyncio = "~0.24.0"
-pytest-cov = "~5.0.0"
+pytest-cov = "~6.0.0"
 pytest-only = "~2.1.0"
 pytest-timeout = "~2.3.0"
 pytest-xdist = "~3.6.0"