Current behavior

% git wt --version
git version 0.20.0

I think this is misleading since it is similar to the version output of git itself:

% git --version
git version 2.53.0

Expected behavior

I think it's better to use a command name that makes it clear that it's git-wt's version. For example:

% git wt --version
git-wt version 0.20.0