fix(build): only set windows_subsystem on Windows targets

src-tauri/src/main.rs

@@ -1,4 +1,7 @@
-#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
+#![cfg_attr(
+    all(not(debug_assertions), target_os = "windows"),
+    windows_subsystem = "windows"
+)]
 
 fn main() {
     kimiswitch_lib::run();