chore(deps): update dependency pytest-cov to v7 (#343)

Co-authored-by: Renovate Bot <renovate@whitesourcesoftware.com>

Author: github-renovate-self-hosted

poetry.lock

@@ -61,7 +61,7 @@ mypy = { version = "1.18.1", extras = ["tests"] }
 psycopg2 = { version = "2.9.10", extras = ["binary"] }
 pytest = "8.4.2"
 pytest-asyncio = "1.2.0"
-pytest-cov = "6.3.0"
+pytest-cov = "7.0.0"
 ruff = "0.13.0"
 tox = "4.30.2"