Bump setuptools from 75.4.0 to 75.6.0 in /shared_aws/py_package

Bumps [setuptools](https://github.com/pypa/setuptools) from 75.4.0 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@v75.4.0...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]>

shared_aws/py_package/pyproject.toml

@@ -25,5 +25,5 @@ test = [
 ]
 
 [build-system]
-requires = ["setuptools == 75.4.0"]
+requires = ["setuptools == 75.6.0"]
 build-backend = "setuptools.build_meta"