chore(deps): update dependency ruff to v0.15.20

Author: renovate[bot]

pyproject.toml

@@ -21,7 +21,7 @@ pytest-mock = "3.15.1"
 pylint = "4.0.6"
 flake8 = "7.3.0"
 flake8-pytest-style = "2.2.0"
-ruff = "0.15.19"
+ruff = "0.15.20"
 coverage = "7.14.3"
 black = "26.5.1"
 mypy = "2.1.0"