CI: (deps): Bump ruff from 0.8.3 to 0.8.4 in /ci

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.8.3 to 0.8.4.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.8.3...0.8.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

ci/linting_requirements.txt

@@ -1,4 +1,4 @@
-ruff==0.8.3
+ruff==0.8.4
 
 flake8==7.1.1
 pycodestyle==2.12.1