Bump setuptools from 45.2.0 to 46.0.0 in /docker/build_scripts
Bump setuptools from 45.2.0 to 46.0.0 in /docker/build_scripts

Bumps [setuptools](https://github.com/pypa/setuptools) from 45.2.0 to 46.0.0.
- [Release notes](https://github.com/pypa/setuptools/releases)
- [Changelog](https://github.com/pypa/setuptools/blob/master/CHANGES.rst)
- [Commits](https://github.com/pypa/setuptools/compare/v45.2.0...v46.0.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
pypa/manylinux,pypa/manylinux,manylinux/manylinux,manylinux/manylinux,pypa/manylinux