Update dependency Polyfill to 7.9.0 (#1588)

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

Author: renovate[bot]

Directory.Packages.props

@@ -26,7 +26,7 @@
         <PackageVersion Include="JetBrains.dotCover.CommandLineTools" Version="2024.3.3" />
         <PackageVersion Include="JetBrains.ExternalAnnotations" Version="10.2.154" />
         <PackageVersion Include="JetBrains.ReSharper.GlobalTools" Version="2024.3.3" />
-        <PackageVersion Include="Polyfill" Version="7.8.0" />
+        <PackageVersion Include="Polyfill" Version="7.9.0" />
         <PackageVersion Include="Serilog.Sinks.Spectre" Version="0.5.0" />
         <PackageVersion Include="TUnit" Version="0.6.0" />
         <PackageVersion Include="TUnit.Core" Version="0.6.0" />