branch not found

[m3lab-zzl]

As written in README, new support branch (git clone -b branchname), I suppose we can specify branch when cloning.

But,

❯ git clone  https://github.com/nvim-neo-tree/neo-tree.nvim -b v3.x
Cloning into 'neo-tree.nvim'...
remote: Enumerating objects: 6564, done.
remote: Counting objects: 100% (1782/1782), done.
remote: Compressing objects: 100% (491/491), done.
...

❯ git clone  https://gitclone.com/github.com/nvim-neo-tree/neo-tree.nvim -b v3.x
Cloning into 'neo-tree.nvim'...
fatal: Remote branch v3.x not found in upstream origin