wry@0.28.0

Add Webview::clear_browsing_data method.
- 5f0c9e4 feat: add Webview::clear_browsing_data (#915) on 2023-04-18
On Android, generate a proguard-wry.pro file that could be used to keep the necessary symbols for wry when using minification.
- ced4c0b feat: generate proguard rule file for android (#927) on 2023-04-17
Update tao to 0.19
- d560981 refactor: rename TauriActivity to WryActivity (#926) on 2023-04-17