chore(deps): update avalonia to 11.3.8

Author: renovate[bot]

avalonia/hello-world/RandomBuddyStalker/RandomBuddyStalker.csproj

@@ -17,7 +17,7 @@
     <PackageReference Include="Avalonia" Version="11.3.3" />
     <PackageReference Include="Avalonia.Desktop" Version="11.3.3" />
     <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.3" />
-    <PackageReference Include="Avalonia.ReactiveUI" Version="11.3.3" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="11.3.8" />
     <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.3" />
     <PackageReference Include="Avalonia.Diagnostics" Version="11.3.3" /> 
     <PackageReference Include="Flurl.Http" Version="4.0.2" />