Update winit dependency to 0.29

crates/bevy_app/src/app.rs

@@ -281,7 +281,7 @@ impl App {
     ///
     /// # `run()` might not return
     ///
-    /// Calls to [`App::run()`] might never return.
+    /// Calls to [`App::run()`] will never return on iOS and Web.
     ///
     /// In simple and *headless* applications, one can expect that execution will
     /// proceed, normally, after calling [`run()`](App::run()) but this is not the case for
@@ -292,10 +292,7 @@ impl App {
     /// window is closed and that event loop terminates – behavior of processes that
     /// do not is often platform dependent or undocumented.
     ///
-    /// By default, *Bevy* uses the `winit` crate for window creation. See
-    /// [`WinitSettings::return_from_run`](https://docs.rs/bevy/latest/bevy/winit/struct.WinitSettings.html#structfield.return_from_run)
-    /// for further discussion of this topic and for a mechanism to require that [`App::run()`]
-    /// *does* return – albeit one that carries its own caveats and disclaimers.
+    /// By default, *Bevy* uses the `winit` crate for window creation.
     ///
     /// # Panics
     ///