Update dependency Polyfill to 7.12.0 (#1450)

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

Author: renovate[bot]

Directory.Packages.props

@@ -28,7 +28,7 @@
         <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Features" Version="4.12.0" />
         <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="17.13.1" />
         <PackageVersion Include="Microsoft.Testing.Extensions.TrxReport" Version="1.5.0" />
-        <PackageVersion Include="Polyfill" Version="7.11.0" />
+        <PackageVersion Include="Polyfill" Version="7.12.0" />
         <PackageVersion Include="Microsoft.CodeAnalysis.PublicApiAnalyzers" Version="3.3.4" />
         <PackageVersion Include="GitVersion.Tool" Version="6.1.0" />
         <PackageVersion Include="Nuke.Common" Version="9.0.3" />