chore(deps): update dependency reactiveui.uwp to v18.4.1 (#165)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

src/Camelotia.Presentation.Uwp/Camelotia.Presentation.Uwp.csproj

@@ -216,7 +216,7 @@
       <Version>18.4.44</Version>
     </PackageReference>
     <PackageReference Include="ReactiveUI.Uwp">
-      <Version>18.3.1</Version>
+      <Version>18.4.1</Version>
     </PackageReference>
     <PackageReference Include="ReactiveMarbles.ObservableEvents.SourceGenerator" Version="1.3.1" PrivateAssets="all" />
   </ItemGroup>