- depend on setuptools_scm also on older dists

- version update to 1.1.0
* Support the sudo use_pty option which is now the default in some operating systems. See #712.
* Support doas as well as sudo. See #708.
* for more details see
https://github.com/sshuttle/sshuttle/releases/
- modified patches
% fix-shebang.patch (refreshed)
- python-mock is not required for build

- do not require pytest-runner for build, it is not needed

- Added hardening to systemd service(s) (bsc#1181400). Modified:
* sshuttle.service