Go rejects scp-style addresses like `git@host:owner/repo.git` in the
go-import meta tag because they have no URL scheme, so
GO_GET_CLONE_URL_PROTOCOL=ssh did not work with the default SSH port
unless USE_COMPAT_SSH_URI was set. Always use the ssh:// form for
go-get.
When DISABLE_HTTP_GIT is enabled, the https clone URL can never work, so
GO_GET_CLONE_URL_PROTOCOL now defaults to ssh in that case.
---------
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>