Update dependency SixLabors.ImageSharp to 3.1.6 #8

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Renovate Bot (Automatisiert) wants to merge 1 commits from renovate/sixlabors.imagesharp-3.x into main

@ -15,7 +15,7 @@
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
<PrivateAssets>all</PrivateAssets>
</PackageReference>
<PackageReference Include="SixLabors.ImageSharp" Version="3.1.5" />
<PackageReference Include="SixLabors.ImageSharp" Version="3.1.6" />
</ItemGroup>
<Target Name="PreBuild" BeforeTargets="PreBuildEvent">