refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -9,9 +9,9 @@
     <PackageVersion Include="OpenTelemetry" Version="1.16.0" />
     <PackageVersion Include="OpenTelemetry.Exporter.InMemory" Version="1.16.0" />
     <PackageVersion Include="Microsoft.Extensions.Logging" Version="10.0.9" />
-    <PackageVersion Include="Polyfill" Version="10.11.0" />
+    <PackageVersion Include="Polyfill" Version="10.11.1" />
     <PackageVersion Include="Verify" Version="31.20.0" />
-    <PackageVersion Include="Verify.DiffPlex" Version="3.2.0" />
+    <PackageVersion Include="Verify.DiffPlex" Version="3.3.0" />
     <PackageVersion Include="Verify.XunitV3" Version="31.20.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
     <PackageVersion Include="xunit.v3" Version="3.2.2" />