Bump ruff from 0.14.10 to 0.15.15

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.14.10 to 0.15.15.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.14.10...0.15.15)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.15
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -10,4 +10,4 @@ sphinx-rtd-theme==3.0.2
 pytest==8.4.2
 pytest-cov==6.2.1
 pyyaml==6.0.3
-ruff==0.14.10
+ruff==0.15.15