chore(deps): update dependency polyfill to 9.16.0

Author: renovate[bot]

Directory.Packages.props

@@ -23,7 +23,7 @@
     <PackageVersion Include="NUnit" Version="4.5.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.1.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.11.2" />
-    <PackageVersion Include="Polyfill" Version="9.15.0" />
+    <PackageVersion Include="Polyfill" Version="9.16.0" />
     <PackageVersion Include="PublicApiGenerator" Version="11.5.4" />
     <PackageVersion Include="TUnit" Version="1.18.9" />
     <PackageVersion Include="TUnit.Core" Version="1.18.9" />