chore: update app version to 1.9.0, change Flutter build mode to debug, and add changes field to app info model for update dialogs

lib/presentation/pages/splash/logic.dart

@@ -70,6 +70,7 @@ class SplashLogic extends GetxController with GetTickerProviderStateMixin {
           onConfirm: () async {
             await fileDownload();
           },
+          changes: appInfoModel?.info?.changes,
         );
       } else if (!data && Get.isDialogOpen == true) {
         Get.back();