wry@0.28.1

Fix unresolved reference in kotlin files when building for android.
- ed36c0b fix(android): fix unresolved reference in kotlin files (#932) on 2023-04-19
Support modifying user agent string on Android.
- 4a320b0 feat(android): add support modifying user agent string (#933) on 2023-04-20
On Linux and macOS, add synthesized event for mouse backward and forward buttons.
- 6ef820b feat: synthesize forward/backward mouse button on Linux and macOS (#900) on 2023-04-18