Bump setuptools from 75.3.0 to 75.6.0

Bumps [setuptools](https://github.com/pypa/setuptools) from 75.3.0 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@v75.3.0...v75.6.0)

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

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

requirements_dev.txt

@@ -2,7 +2,7 @@
 swig==4.3.0
 cmake==3.31.2
 #setuptools==67.5.0; python_version<"3.9"
-#setuptools==75.3.0; python_version>="3.9"
+#setuptools==75.6.0; python_version>="3.9"
 setuptools==75.3.0
 wheel==0.41.3