Bump Microsoft.AspNetCore.WebUtilities to 2.3.0

Bump Microsoft.AspNetCore.WebUtilities to 2.3.0 so we depend a non-deprecated package.

Author: martincostello

Directory.Packages.props

@@ -6,7 +6,7 @@
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="27.0.2" />
     <PackageVersion Include="MartinCostello.Logging.XUnit.v3" Version="0.5.1" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.1" />
-    <PackageVersion Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
+    <PackageVersion Include="Microsoft.AspNetCore.WebUtilities" Version="2.3.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" />
     <PackageVersion Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />