Update excludsions list

dirs.proj

@@ -9,10 +9,11 @@
     <ProjectReference Remove="**/*.shproj" />
     <ProjectReference Remove="src/Markup/Avalonia.Markup.Xaml/PortableXaml/**/*.*proj" />
     <ProjectReference Remove="src/Markup/Avalonia.Markup.Xaml.Loader/xamlil.github/**/*.*proj" />
-    <!-- Exclude iOS, Android and Web samples from build -->
+    <!-- Exclude iOS, Android and Browser samples from build -->
     <ProjectReference Remove="samples/*.iOS/*.csproj" />
     <ProjectReference Remove="samples/*.Android/*.csproj" />
     <ProjectReference Remove="samples/*.Browser/*.csproj" />
+    <ProjectReference Remove="samples/*.Blazor/*.csproj" />
   </ItemGroup>
   <ItemGroup Condition="!$([MSBuild]::IsOsPlatform('Windows')) OR '$(MSBuildRuntimeType)' != 'Full'">
     <ProjectReference Remove="src/Windows/Avalonia.Win32.Interop/Avalonia.Win32.Interop.csproj" />