Bump ruff from 0.15.22 to 0.16.0

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.15.22 to 0.16.0.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.22...0.16.0)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements-optional.txt

@@ -2,7 +2,7 @@
 pytest-cov==7.1.0
 redis==8.0.1
 pre-commit==4.6.1
-ruff==0.15.22
+ruff==0.16.0
 
 # For generating documentation.
 sphinx==9.1.0