Merge pull request #38 from ktsu-dev/dependabot/nuget/IconHelper/Polyfill-9.3.1

Bump Polyfill from 8.8.0 to 9.3.1

Author: github-actions[bot]

IconHelper/IconHelper.csproj

@@ -12,6 +12,7 @@
     <PackageReference Include="CommandLineParser" />
     <PackageReference Include="ktsu.CaseConverter" />
     <PackageReference Include="ktsu.Extensions" />
+  <PackageReference Include="Polyfill" VersionOverride="9.3.1" />
     <PackageReference Include="SixLabors.ImageSharp" />
   </ItemGroup>
 </Project>