fix(runtime): remove unnecessary borrow in Windows taskkill command

- Fix clippy needless_borrows_for_generic_args warning
- Change &pid.to_string() to pid.to_string() for taskkill /PID argument
- Ensure clippy passes with -D warnings on Windows builds

crates/runtime/src/emulation.rs

@@ -793,7 +793,7 @@ async fn cleanup_processes() {
             let _ = Command::new("taskkill")
                 .arg("/F")
                 .arg("/PID")
-                .arg(&pid.to_string())
+                .arg(pid.to_string())
                 .output();
         }