Bump ruff from 0.15.2 to 0.15.4 (#168)

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.15.2 to 0.15.4.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.15.2...0.15.4)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.4
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -25,7 +25,7 @@ Changelog = "https://github.com/Crown-Commercial-Service/ccs-govuk-frontend-jinj
 
 [project.optional-dependencies]
 dev = [
-  'ruff==0.15.2',
+  'ruff==0.15.4',
   'mypy==1.19.1',
   'pytest==9.0.2',
   'lxml==6.0.2',

requirements-dev.txt

@@ -59,7 +59,7 @@ pytest==9.0.2
     # via ccs-govuk-frontend-jinja (pyproject.toml)
 pyyaml==6.0.3
     # via pre-commit
-ruff==0.15.2
+ruff==0.15.4
     # via ccs-govuk-frontend-jinja (pyproject.toml)
 typing-extensions==4.15.0
     # via mypy