Bump setuptools-scm from 3.5.0 to 4.0.0
Bump setuptools-scm from 3.5.0 to 4.0.0

Bumps [setuptools-scm](https://github.com/pypa/setuptools_scm) from 3.5.0 to 4.0.0.
- [Release notes](https://github.com/pypa/setuptools_scm/releases)
- [Changelog](https://github.com/pypa/setuptools_scm/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pypa/setuptools_scm/compare/v3.5.0...v4.0.0)

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