refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -9,16 +9,16 @@
     <PackageVersion Include="Fody" Version="6.9.1" />
     <PackageVersion Include="graphiql" Version="2.0.0" />
     <PackageVersion Include="GraphQL" Version="8.4.1" />
-    <PackageVersion Include="GraphQL.MicrosoftDI" Version="8.4.0" />
-    <PackageVersion Include="GraphQL.SystemTextJson" Version="8.4.0" />
+    <PackageVersion Include="GraphQL.MicrosoftDI" Version="8.4.1" />
+    <PackageVersion Include="GraphQL.SystemTextJson" Version="8.4.1" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="27.0.2" />
     <PackageVersion Include="Microsoft.AspNetCore.Http" Version="2.3.0" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.2" />
     <PackageVersion Include="Microsoft.Data.SqlClient" Version="6.0.1" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore" Version="9.0.2" />
     <PackageVersion Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.2" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageVersion Include="Polyfill" Version="7.19.0" />
+    <PackageVersion Include="Polyfill" Version="7.20.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.147" />
     <PackageVersion Include="System.Text.Encodings.Web" Version="9.0.0" />
     <PackageVersion Include="Verify.SqlServer" Version="11.0.1" />