Update dependency Polyfill to 7.29.0

Author: renovate[bot]

Directory.Packages.props

@@ -20,7 +20,7 @@
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
 
     <PackageVersion Include="Nullable" Version="1.3.1" />
-    <PackageVersion Include="Polyfill" Version="7.28.0" />
+    <PackageVersion Include="Polyfill" Version="7.29.0" />
     <PackageVersion Include="JetBrains.Annotations" Version="2024.3.0" />
   </ItemGroup>
 </Project>