refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -7,12 +7,12 @@
     <PackageVersion Include="Argon.Xml" Version="0.32.0" />
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.0.0-beta.2" />
     <PackageVersion Include="Microsoft.Extensions.DiagnosticAdapter" Version="3.1.32" />
-    <PackageVersion Include="Microsoft.Extensions.Http" Version="9.0.8" />
-    <PackageVersion Include="Microsoft.Net.Http.Headers" Version="9.0.8" />
+    <PackageVersion Include="Microsoft.Extensions.Http" Version="9.0.9" />
+    <PackageVersion Include="Microsoft.Net.Http.Headers" Version="9.0.9" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.157" />
     <PackageVersion Include="Polyfill" Version="8.8.1" />
-    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="9.0.8" />
+    <PackageVersion Include="System.Diagnostics.DiagnosticSource" Version="9.0.9" />
     <PackageVersion Include="Verify" Version="30.11.0" />
     <PackageVersion Include="Verify.AngleSharp" Version="4.7.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />

src/global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "9.0.304",
+    "version": "9.0.305",
     "allowPrerelease": true,
     "rollForward": "latestFeature"
   }