build(deps): Bump Uno.WinUI.WebAssembly from 4.8.24 to 4.9.20 (#728)

Bumps [Uno.WinUI.WebAssembly](https://github.com/unoplatform/uno) from 4.8.24 to 4.9.20.
- [Release notes](https://github.com/unoplatform/uno/releases)
- [Commits](https://github.com/unoplatform/uno/commits)

---
updated-dependencies:
- dependency-name: Uno.WinUI.WebAssembly
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Uno/ReactiveUI.UnoRouting/ReactiveUI.UnoRouting.Wasm/ReactiveUI.UnoRouting.Wasm.csproj

@@ -44,7 +44,7 @@
 		<PackageReference Include="ReactiveUI.Uno.WinUI" Version="18.*" />
 		<PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
 		<PackageReference Include="Uno.Extensions.Logging.WebAssembly.Console" Version="1.4.0" />
-		<PackageReference Include="Uno.WinUI.WebAssembly" Version="4.8.24" />
+		<PackageReference Include="Uno.WinUI.WebAssembly" Version="4.9.20" />
 		<PackageReference Include="Uno.WinUI.RemoteControl" Version="4.8.24" Condition="'$(Configuration)'=='Debug'" />
 		<PackageReference Include="Uno.UI.Adapter.Microsoft.Extensions.Logging" Version="4.9.20" />
 		<PackageReference Include="Uno.Wasm.Bootstrap" Version="7.0.20" />