gitlab.tpo SSH isn't reachable over IPv6

debug1: Connecting to gitlab.torproject.org [2a01:4f8:fff0:4f:266:37ff:feb8:3489] port 22.
debug1: connect to address 2a01:4f8:fff0:4f:266:37ff:feb8:3489 port 22: Connection refused

It accepts connections on port 80 and 443, though!

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information