chore(deps): update dependency polyfill to 9.6.0

Author: renovate-bot

Directory.Packages.props

@@ -61,7 +61,7 @@
     <PackageVersion Include="OneOf" Version="3.0.271" />
     <PackageVersion Include="OneOf.SourceGenerator" Version="3.0.271" />
     <PackageVersion Include="Polly" Version="8.6.5" />
-    <PackageVersion Include="Polyfill" Version="9.5.0" />
+    <PackageVersion Include="Polyfill" Version="9.6.0" />
     <PackageVersion Include="PublicApiGenerator" Version="11.5.4" />
     <PackageVersion Include="RandomDataGenerator.Net" Version="1.0.19.1" />
     <PackageVersion Include="Shouldly" Version="4.3.0" />