chore(deps): update dependency ruff to v0.15.6 (#84)

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

Author: renovate[bot]

pyproject.toml

@@ -50,7 +50,7 @@ dev = [
     "mypy==1.19.1",
     "black==26.3.1",
     "isort==8.0.1",
-    "ruff==0.15.5",
+    "ruff==0.15.6",
     "types-requests",
     "bump2version==1.0.1",
     "build==1.4.0",