Update docker ssh passthrough docs (#13732)
Update docker ssh passthrough docs (#13732)

* update docker ssh passthrough docs

* remove mailto:git part in SSH forwarding call

Co-authored-by: zeripath <6a547fdd28db89120bdd70d4af1f9ba672ccd43a@cantab.net>
Co-authored-by: techknowlogick <274271a2414b6bd0d2eb0401dd4ff6e85d7016a7@gitea.io>
cez81/gitea,go-gitea/gitea,cez81/gitea,go-gitea/gitea,vdbt/gitea,go-gitea/gitea,cez81/gitea,vdbt/gitea