chore(deps): update dependency reactiveui to 20.1.63

Author: renovate[bot]

src/ReactiveMvvm/ReactiveMvvm.csproj

@@ -4,7 +4,7 @@
 		<LangVersion>latest</LangVersion>
 	</PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="ReactiveUI" Version="20.1.1" />
+		<PackageReference Include="ReactiveUI" Version="20.1.63" />
 		<PackageReference Include="ReactiveUI.SourceGenerators" Version="1.0.3" PrivateAssets="all" />
 		<PackageReference Include="System.Text.Json" Version="8.0.5" />
 	</ItemGroup>