deps: Bump the xunit group with 1 update

Bumps System.CodeDom from 9.0.5 to 9.0.6

---
updated-dependencies:
- dependency-name: System.CodeDom
  dependency-version: 9.0.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: xunit
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

telemetry/csharp/AwsToolkit.Telemetry.Events.Generator.Core/AwsToolkit.Telemetry.Events.Generator.Core.csproj

@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-    <PackageReference Include="System.CodeDom" Version="9.0.5" />
+    <PackageReference Include="System.CodeDom" Version="9.0.6" />
   </ItemGroup>
 
 </Project>