Update avalonia dependencies in demo app

Author: SKProCH

Material.Avalonia.Demo.Browser/Material.Avalonia.Demo.Browser.csproj

@@ -9,7 +9,7 @@
     <RunAOTCompilation>true</RunAOTCompilation>
     <WasmBuildNative>true</WasmBuildNative>
 
-    <AvaloniaVersion>11.1.0</AvaloniaVersion>
+    <AvaloniaVersion>11.2.3</AvaloniaVersion>
   </PropertyGroup>
 
   <ItemGroup>

Material.Avalonia.Demo.Desktop/Material.Avalonia.Demo.Desktop.csproj

@@ -6,7 +6,7 @@
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <IsPackable>false</IsPackable>
 
-    <AvaloniaVersion>11.1.0</AvaloniaVersion>
+    <AvaloniaVersion>11.2.3</AvaloniaVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)' == 'Release'">