refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -22,7 +22,7 @@
     <PackageVersion Include="MSTest" Version="4.0.2" />
     <PackageVersion Include="MSTest.TestFramework" Version="4.0.2" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
-    <PackageVersion Include="Polyfill" Version="9.0.2" />
+    <PackageVersion Include="Polyfill" Version="9.0.3" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.162" />
     <PackageVersion Include="PublicApiGenerator" Version="11.5.0" />
     <PackageVersion Include="SimpleInfoName" Version="3.1.2" />