refs or cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -18,7 +18,7 @@
     <PackageVersion Include="Microsoft.SqlServer.TransactSql.ScriptDom" Version="170.64.0" />
     <PackageVersion Include="NUnit" Version="4.3.2" />
     <PackageVersion Include="NUnit3TestAdapter" Version="5.0.0" />
-    <PackageVersion Include="Polyfill" Version="7.5.0" />
+    <PackageVersion Include="Polyfill" Version="8.7.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.156" />
     <PackageVersion Include="System.Data.SqlClient" Version="4.9.0" />
     <PackageVersion Include="Verify" Version="30.4.0" />