chore(deps): update dependency polyfill to 9.6.0 (#475)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Directory.Packages.props

@@ -17,7 +17,7 @@
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.1.0" />
     <PackageVersion Include="NetEvolve.Extensions.TUnit" Version="3.4.0" />
     <PackageVersion Include="NetEvolve.Extensions.XUnit" Version="2.7.59" />
-    <PackageVersion Include="Polyfill" Version="9.5.0" />
+    <PackageVersion Include="Polyfill" Version="9.6.0" />
     <PackageVersion Include="TUnit" Version="1.7.20" />
     <PackageVersion Include="Verify.TUnit" Version="31.9.3" />
   </ItemGroup>