Bump setuptools from 75.2.0 to 75.3.0

Bumps [setuptools](https://github.com/pypa/setuptools) from 75.2.0 to 75.3.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v75.2.0...v75.3.0)

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

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

requirements_testing.txt

@@ -5,7 +5,7 @@ pytest==8.3.3
 pytest-cov==5.0.0
 pytest-icdiff==0.9
 ruff==0.7.1
-setuptools==75.2.0
+setuptools==75.3.0
 tox==4.23.2
 tox-gh-actions==3.2.0
 mypy==1.13.0