chore(deps): update dependency pytest-cov to v6 (#22)

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

Author: renovate[bot]

pyproject.toml

@@ -63,7 +63,7 @@ dependencies = [
     "black==24.10.0",
     "flake8-pyproject==1.2.3",
     "flake8==7.1.1",
-    "pytest-cov==5.0.0",
+    "pytest-cov==6.0.0",
     "pytest-sugar==1.0.0",
     "pytest==8.3.3",
 ]