refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="Microsoft.Office.Interop.Excel" Version="16.0.18925.20022" />
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
-    <PackageVersion Include="Polyfill" Version="8.9.0" />
+    <PackageVersion Include="Polyfill" Version="8.9.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.162" />
     <PackageVersion Include="Verify" Version="31.4.3" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />