chore(deps-dev): bump ruff from 0.15.20 to 0.16.1

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.15.20 to 0.16.1.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](https://github.com/astral-sh/ruff/compare/0.15.20...0.16.1)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.16.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -79,7 +79,7 @@ dev = [
     # (wired only into the test-windows job in ci.yml, scoped to the specific
     # error). Local/Linux/macOS runs never rerun, so real failures stay loud.
     "pytest-rerunfailures>=12.0",
-    "ruff==0.15.20",
+    "ruff==0.16.1",
     "psutil>=5.9",
     # Property-based testing — generates hundreds of random inputs per
     # test to find counterexamples the hand-written positive tests miss.
@@ -147,7 +147,7 @@ dev = [
     # (wired only into the test-windows job in ci.yml, scoped to the specific
     # error). Local/Linux/macOS runs never rerun, so real failures stay loud.
     "pytest-rerunfailures>=12.0",
-    "ruff==0.15.20",
+    "ruff==0.16.1",
     "psutil>=5.9",
     "hypothesis>=6.0",
     "pre-commit>=3.0",