Bump sctk-adwaita to 0.4.1

This should force the use of system libraries for Fontconfig
and freetype instead of building them with cmake if missing.

This also fixes compilation failures on nightly.

Fixes #2373.

src/platform_impl/macos/window_delegate.rs

@@ -241,7 +241,7 @@ fn with_state<F: FnOnce(&mut WindowDelegateState) -> T, T>(this: &Object, callba
 
 extern "C" fn dealloc(this: &Object, _sel: Sel) {
     with_state(this, |state| unsafe {
-        Box::from_raw(state as *mut WindowDelegateState);
+        drop(Box::from_raw(state as *mut WindowDelegateState));
     });
 }