Bump ruff from 0.14.14 to 0.15.1 in /requirements

Bumps [ruff](https://github.com/astral-sh/ruff) from 0.14.14 to 0.15.1.
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](astral-sh/ruff@0.14.14...0.15.1)

---
updated-dependencies:
- dependency-name: ruff
  dependency-version: 0.15.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/dev.txt

@@ -30,7 +30,7 @@ python-dateutil==2.9.0.post0
 pyyaml==6.0.3
 requests==2.32.5
 rich==14.3.2
-ruff==0.14.14
+ruff==0.15.1
 six==1.17.0
 stevedore==5.5.0 ; python_full_version < '3.10'
 stevedore==5.6.0 ; python_full_version >= '3.10'

requirements/lint.txt

@@ -13,7 +13,7 @@ pathspec==1.0.4
 pygments==2.19.2
 pyyaml==6.0.3
 rich==14.3.2
-ruff==0.14.14
+ruff==0.15.1
 stevedore==5.5.0 ; python_full_version < '3.10'
 stevedore==5.6.0 ; python_full_version >= '3.10'
 tomli==2.4.0 ; python_full_version < '3.11'