fix(single-instance): release the lock on cleanup_before_exit instead of RunEvent::Exit (#3482)

* add configurable destroy_on_exit to single instance plugin

* add change file

* document destroy_on_exit

* move the destroy to rely on the Resource close

* add integration test

* fix android/ios

---------

Co-authored-by: Lucas Nogueira <lucas@tauri.app>

plugins/single-instance/Cargo.toml

@@ -41,6 +41,10 @@ features = [
   "Win32_Graphics_Gdi",
 ]
 
+[target."cfg(target_os = \"windows\")".dev-dependencies.windows-sys]
+version = "0.61"
+features = ["Win32_UI_WindowsAndMessaging"]
+
 [target."cfg(target_os = \"linux\")".dependencies]
 zbus = { workspace = true }