cli: replace "evolve" by "rebase" in a help text about `jj prune`
Now that we auto-evolve after most operations, the user may not know
what "evolve" means. Even before that, the way `jj evolve` resolved
orphans after pruning was by rebasing them.
@@ -535,7 +535,7 @@ fn get_app<'a, 'b>() -> App<'a, 'b> {
.about("Create a copy of the commit with a new change id")
.arg(rev_arg());
let prune_command = SubCommand::with_name("prune")
- .about("Mark a commit pruned, making descendants evolve onto its parent")
+ .about("Mark a commit pruned, making descendants rebase onto its parent")
.arg(Arg::with_name("revision").index(1).default_value("@"));
let new_command = SubCommand::with_name("new")
.about("Create a new, empty commit")
