Updated avalonia in tests

tests/Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
     <PropertyGroup>
         <CodeAnalysisRuleSet>../Custom.ruleset</CodeAnalysisRuleSet>
-		<AvaloniaVersion>11.2.2</AvaloniaVersion>
+		<AvaloniaVersion>11.2.3</AvaloniaVersion>
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="StyleCop.Analyzers" Version="1.1.118" />