chore(deps-dev): update ruff requirement from >=0.15.15 to >=0.15.16

Updates the requirements on [ruff](https://github.com/astral-sh/ruff) to permit the latest version.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.15...0.15.16)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.16
  dependency-type: direct:development
...

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

Author: dependabot[bot]

requirements-dev.txt

@@ -4,7 +4,7 @@ pip-tools>=7.5.3
 pygments>=2.20.0
 pytest>=9.0.3
 pytest-cov>=7.1.0
-ruff>=0.15.15
+ruff>=0.15.16
 setuptools>=82.0.1
 types-PyYAML>=6.0.12.20260518
 wheel>=0.47.0