fix: remove unused vite_str::Str import

Author: fengmk2

packages/cli/binding/src/cli.rs

@@ -1540,7 +1540,6 @@ mod tests {
 
     use clap::Parser;
     use serde_json::json;
-    use vite_str::Str;
     use vite_task::{Command, config::UserRunConfig};
 
     use super::{