--self-install should include a path to a binary

On windows, we cannot just copy an executable with process running from it, so better to copy it to a temporary location.

Signed-off-by: Jiahao XU <30436523+NobodyXu@users.noreply.github.com>

crates/bin/src/args.rs

@@ -406,7 +406,7 @@ pub struct Args {
     pub(crate) quiet: bool,
 
     #[clap(long, hidden(true))]
-    pub(crate) self_install: bool,
+    pub(crate) self_install: Option<PathBuf>,
 }
 
 #[derive(Debug, Clone)]