Bump setuptools from 80.1.0 to 80.3.1 in /requirements

Bumps [setuptools](https://github.com/pypa/setuptools) from 80.1.0 to 80.3.1.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v80.1.0...v80.3.1)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-version: 80.3.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements/test.txt

@@ -4,4 +4,4 @@ pytest==8.3.5
 pytest-xdist==3.6.1
 pytest-cov==6.1.1
 ruff==0.11.7
-setuptools==80.1.0
+setuptools==80.3.1