Bump setuptools from 75.5.0 to 75.6.0

Bumps [setuptools](https://github.com/pypa/setuptools) from 75.5.0 to 75.6.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v75.5.0...v75.6.0)

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

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

requirements-testing.txt

@@ -5,5 +5,5 @@ green==4.0.2
 lxml==5.3.0
 parameterized==0.9.0
 setuptools==75.3.0; python_version<="3.8"
-setuptools==75.5.0; python_version>="3.9"
+setuptools==75.6.0; python_version>="3.9"
 Unidecode==1.3.8