build(deps): Bump setuptools in /examples/knative/python/kn-py-vro

Bumps [setuptools](https://github.com/pypa/setuptools) from 65.5.1 to 70.0.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/main/NEWS.rst)
- [Commits](pypa/setuptools@v65.5.1...v70.0.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-type: direct:production
...

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

examples/knative/python/kn-py-vro/requirements.txt

@@ -19,4 +19,4 @@ requests==2.32.0
   charset-normalizer==2.0.12
   idna==3.7
   urllib3==1.26.19
-setuptools==65.5.1
+setuptools==70.0.0