chore(deps): bump setuptools from 75.3.0 to 75.6.0 in /requirements

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:production
  update-type: version-update:semver-minor
...

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

requirements/reproducible-mac.txt

@@ -1063,7 +1063,7 @@ wheel==0.45.1 \
     # via aws-lambda-builders
 
 # The following packages are considered to be unsafe in a requirements file:
-setuptools==75.3.0 \
-    --hash=sha256:f2504966861356aa38616760c0f66568e535562374995367b4e69c7143cf6bcd \
-    --hash=sha256:fba5dd4d766e97be1b1681d98712680ae8f2f26d7881245f2ce9e40714f1a686
+setuptools==75.6.0 \
+    --hash=sha256:8199222558df7c86216af4f84c30e9b34a61d8ba19366cc914424cdbd28252f6 \
+    --hash=sha256:ce74b49e8f7110f9bf04883b730f4765b774ef3ef28f722cce7c273d253aaf7d
     # via aws-lambda-builders