Bump SixLabors.ImageSharp from 3.1.4 to 3.1.11#3

dependabot[bot] wants to merge 1 commit intomainwaltersoto/Com.DotNetBros.ImageBase64Encoder:mainfrom

dependabot/nuget/src/Com.DotNetBros.ImageBase64Encoder/SixLabors.ImageSharp-3.1.11waltersoto/Com.DotNetBros.ImageBase64Encoder:dependabot/nuget/src/Com.DotNetBros.ImageBase64Encoder/SixLabors.ImageSharp-3.1.11Copy head branch name to clipboard