Update dependency pytest-cov to v6.1.1 (#76)

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

Author: renovate[bot]

requirements-dev.txt

@@ -4,6 +4,6 @@
 # Dev requirements
 mock==5.2.0
 pytest==8.3.5
-pytest-cov==6.1.0
+pytest-cov==6.1.1
 black==25.1.0
 pre-commit==4.2.0