Update tor to version 0.4.6.8
Update tor to version 0.4.6.8

- change sha256sum command line
- https://forum.torproject.net/t/stable-release-0-4-7-7/3108
- https://gitlab.torproject.org/tpo/core/tor/-/raw/release-0.4.7/ReleaseNotes

svengo/docker-tor