Bump SixLabors.ImageSharp from 3.1.5 to 3.1.11#13

Phyyl merged 1 commit intomasterPhyyl/Vildmark:masterfrom

dependabot/nuget/nuget/build/SixLabors.ImageSharp-3.1.11Phyyl/Vildmark:dependabot/nuget/nuget/build/SixLabors.ImageSharp-3.1.11Copy head branch name to clipboard