Bump ruff from 0.15.5 to 0.15.6 (#5167)

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.15.5 to 0.15.6.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.5...0.15.6)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Joakim Sørensen <joasoe@proton.me>

Author: dependabot[bot]

requirements_lint.txt

@@ -4,5 +4,5 @@ isort==8.0.1
 pre-commit==4.5.1
 pre-commit-hooks==6.0.0
 pyupgrade==3.21.2
-ruff==0.15.5
+ruff==0.15.6
 vulture==2.15