chore(deps): update dependency pytest-cov to v6 (#117)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

poetry.lock

@@ -57,7 +57,7 @@ Download = "https://pypi.org/project/python-simple-logger/"
 [tool.poetry.group.tests.dependencies]
 pytest = "^8.0.0"
 requests = "^2.31.0"
-pytest-cov = "^5.0.0"
+pytest-cov = "^6.0.0"
 
 [tool.poetry-dynamic-versioning]
 enable = true