refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -8,8 +8,8 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.4" />
     <PackageVersion Include="NUnit" Version="4.4.0" />
-    <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
-    <PackageVersion Include="Polyfill" Version="9.3.1" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="6.0.0" />
+    <PackageVersion Include="Polyfill" Version="9.3.2" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.163" />
     <PackageVersion Include="System.IO.Hashing" Version="10.0.0" />
     <PackageVersion Include="Verify" Version="31.8.0" />