fix: suppress deprecated warning in tray icon codegen (#13093)

Author: Legend-Master

.changes/suppress-deprecated-trayicon-codegen.md

@@ -0,0 +1,5 @@
+---
+"tauri-utils": patch:bug
+---
+
+Suppress deprecated warning in `TrayIconConfig`'s codegen

crates/tauri-utils/src/config.rs

@@ -3436,6 +3436,9 @@ mod build {
 
   impl ToTokens for TrayIconConfig {
     fn to_tokens(&self, tokens: &mut TokenStream) {
+      // For [`Self::menu_on_left_click`]
+      tokens.append_all(quote!(#[allow(deprecated)]));
+
       let id = opt_str_lit(self.id.as_ref());
       let icon_as_template = self.icon_as_template;
       #[allow(deprecated)]