Bump SixLabors.ImageSharp from 3.1.11 to 3.1.12#150

stesee merged 1 commit intomainCodeuctivity/ImageSharp.Compare:mainfrom

dependabot/nuget/ImageSharpCompare/SixLabors.ImageSharp-3.1.12Codeuctivity/ImageSharp.Compare:dependabot/nuget/ImageSharpCompare/SixLabors.ImageSharp-3.1.12Copy head branch name to clipboard