chore(deps): update winit to 0.30 and raw-window-handle to 0.6

- Update winit from 0.28 to 0.30
- Update raw-window-handle from 0.5 to 0.6
- Migrate 16_full_metal_app example to new winit ApplicationHandler API
- Update keyboard handling from VirtualKeyCode to KeyCode
- Use HasWindowHandle trait instead of HasRawWindowHandle

Closes #111, closes #112

Author: 1313

Cargo.toml

@@ -55,8 +55,8 @@ macos_26_0 = ["macos_15_2"]
 [dev-dependencies]
 png = "0.18"
 tokio = { version = "1", features = ["sync", "rt", "rt-multi-thread", "macros", "test-util"] }
-winit = "0.28"
-raw-window-handle = "0.5"
+winit = "0.30"
+raw-window-handle = "0.6"
 
 [package.metadata.docs.rs]
 # Build documentation with all features enabled