Bump setuptools from 68.1.2 to 70.0.0 in /tools/pytools (#942)

Bumps [setuptools](https://github.com/pypa/setuptools) from 68.1.2 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@v68.1.2...v70.0.0)

---
updated-dependencies:
- dependency-name: setuptools
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>