Update dependency Polyfill to 10.3.0 (#2149)

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

Author: renovate[bot]

Directory.Packages.props

@@ -25,7 +25,7 @@
     <ItemGroup>
         <PackageVersion Include="JetBrains.dotCover.CommandLineTools" Version="2026.1.0.1" />
         <PackageVersion Include="JetBrains.ReSharper.GlobalTools" Version="2026.1.0.1" />
-        <PackageVersion Include="Polyfill" Version="10.2.0" />
+        <PackageVersion Include="Polyfill" Version="10.3.0" />
         <PackageVersion Include="Serilog.Sinks.Spectre" Version="0.5.0" />
         <PackageVersion Include="TUnit" Version="1.31.0" />
         <PackageVersion Include="TUnit.Core" Version="1.31.0" />